Nervous+System

The nervous system is made up of the brain, the spinal cord, and nerves. One of the most important systems in your body, the nervous system is your body's control system. It sends, receives, and processes nerve impulses throughout the body. These nerve impulses tell your muscles and organs what to do and how to respond to the environment. There are three parts of your nervous system that work together: the central nervous system, the peripheral nervous system, and the autonomic nervous system.


 * The central nervous system consists of the brain and spinal cord. It sends out nerve impulses and analyzes information from the sense organs, which tell your brain about things you see, hear, smell, taste and feel.
 * The peripheral nervous system includes the craniospinal nerves that branch off from the brain and the spinal cord. It carries the nerve impulses from the central nervous system to the muscles and glands.
 * The autonomic nervous system regulates involuntary action, such as heart beat and digestion.

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[|BRAIN GAMES]

· Inside our head is a brain. The brain controls how our bodies work. It is protected by the skull, which is thick bone.

This is an x ray of inside a brain. It is a special x ray called MRI. You can see how the brain fits inside the skull. · The brain makes sure our hearts keep beating and our lungs keep working without us having to think about it. Part of the brain makes our muscles work. The biggest part of the brain makes us think, see, hear, feel and taste. · There are five important parts of the brain:

**Cerebrum** //(suh-**ree**-brum)//, the biggest and heaviest part. It is the thinking part of the brain.

**Cerebellum** (sair-uh-**bell**-um), at the back of the brain below the cerebrum, controls balance, movement and co-ordination.

Brain stem, connecting the brain and the spinal cord, controls all the body functions like breathing and circulating blood

**Brain Stem**, is in charge of all the functions your body needs to stay alive, like breathing air, digesting food, and circulating blood.

**Pituitary** **gland** (pit-**you**-it-airy)**,** is tiny but produces and releases hormones, which help you grow and help change children into adults.

**Hypothalamus** (high-poe-**thal**-uh-muss) regulates the body temperature. · We each have a backbone, called a spine. Inside it there is a spinal cord. The spinal cord joins the brain at the top of our neck. · All through our body there are nerves which connect to the spinal cord. This is called the nervous system. Messages from the nerves travel to the spinal cord, which sends them to the brain. Neurons are long, wiry cells that carry electrical messages through the nervous system and the brain.

· The messages come from eyes, skin, nose, ears, tongue.

· The brain works out what the messages are so we know what we are seeing, touching, hearing and tasting, and if something hurts or feels good. media type="custom" key="9346274"

At birth a baby's brain contains 100 billion neurons. As the baby experiences things and learns, the brain continues to develop.

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The Biggest Part: the Cerebrum
The biggest part of the brain is the cerebrum. The cerebrum makes up 85% of the brain's weight, and it's easy to see why. The cerebrum is the thinking part of the brain and it controls your voluntary muscles — the ones that move when you want them to. So you can't dance — or kick a soccer ball — without your cerebrum. When you're thinking hard, you're using your cerebrum. You need it to solve math problems, figure out a video game, and draw a picture. Your memory lives in the cerebrum — both short-term memory (what you ate for dinner last night) and long-term memory (the name of that roller-coaster you rode on two summers ago). The cerebrum also helps you reason, like when you figure out that you'd better do your homework now because your mom is taking you to a movie later. The cerebrum has two halves, with one on either side of the head. Some scientists think that the right half helps you think about abstract things like music, colors, and shapes. The left half is said to be more analytical, helping you with math, logic, and speech. Scientists do know for sure that the right half of the cerebrum controls the left side of your body, and the left half controls the right side. []

The Cerebellum's Balancing Act
Next up is the cerebellum. The cerebellum is at the back of the brain, below the cerebrum. It's a lot smaller than the cerebrum at only 1/8 of its size. But it's a very important part of the brain. It controls balance, movement, and coordination (how your muscles work together). Because of your cerebellum, you can stand upright, keep your balance, and move around. Think about a surfer riding the waves on his board. What does he need most to stay balanced? The best surfboard? The coolest wetsuit? Nope — he needs his cerebellum!

Brain Stem Keeps You Breathing — and More
Another brain part that's small but mighty is the brain stem. The brain stem sits beneath the cerebrum and in front of the cerebellum. It connects the rest of the brain to the spinal cord, which runs down your neck and back. The brain stem is in charge of all the functions your body needs to stay alive, like breathing air, digesting food, and circulating blood. Part of the brain stem's job is to control your involuntary muscles — the ones that work automatically, without you even thinking about it. There are involuntary muscles in the heart and stomach, and it's the brain stem that tells your heart to pump more blood when you're biking or your stomach to start digesting your lunch. The brain stem also sorts through the millions of messages that the brain and the rest of the body send back and forth. Whew! It's a big job being the brain's secretary!

[|http://kidshealth.org/kid/htbw/brain.html#]

Pituitary Gland Controls Growth
The pituitary gland is very small — only about the size of a pea! Its job is to produce and release hormones into your body. If your clothes from last year are too small, it's because your pituitary gland released special hormones that made you grow. This gland is a big player in [|puberty] too. This is the time when boys' and girls' bodies go through major changes as they slowly become men and women, all thanks to hormones released by the pituitary gland. This little gland also plays a role with lots of other hormones, like ones that control the amount of sugars and water in your body. And it helps keep your metabolism (say: muh-**ta**-buh-lih-zum) going. Your metabolism is everything that goes on in your body to keep it alive and growing and supplied with energy, like breathing, digesting food, and moving your blood around.

Hypothalamus Controls Temperature
The hypothalamus is like your brain's inner thermostat (that little box on the wall that controls the heat in your house). The hypothalamus knows what temperature your body should be (about 98.6° Fahrenheit or 37° Celsius). If your body is too hot, the hypothalamus tells it to sweat. If you're too cold, the hypothalamus gets you shivering. Both [|shivering] and [|sweating] are attempts to get your body's temperature back where it needs to be

[|http://kidshealth.org/kid/htbw/brain.html#]

You Have Some Nerve!
So the brain is boss, but it can't do it alone. It needs some nerves — actually a lot of them. And it needs the spinal cord, which is a long bundle of nerves inside your spinal column, the vertebrae that protect it. It's the spinal cord and nerves — known as the nervous system — that let messages flow back and forth between the brain and body. If a spiky cactus falls off a shelf headed right for your best friend, your nerves and brain communicate so that you jump up and yell for your friend to get out of the way. If you're really good, maybe you're able to catch the plant before it hits your friend! But you might wonder about these nerves, which you can't see without a microscope. What are they anyway? The nervous system is made up of millions and millions of neurons (say: **nur**-onz), which are microscopic cells. Each neuron has tiny branches coming off it that let it connect to many other neurons. When you were born, your brain came with all the neurons it will ever have, but many of them were not connected to each other. When you learn things, the messages travel from one neuron to another, over and over. Eventually, the brain starts to create connections (or pathways) between the neurons, so things become easier and you can do them better and better. Think back to the first time you rode a bike. Your brain had to think about pedaling, staying balanced, steering with the handlebars, watching the road, and maybe even hitting the brakes — all at once. Hard work, right? But eventually, as you got more practice, the neurons sent messages back and forth until a pathway was created in your brain. Now you can ride your bike without thinking about it because the neurons have successfully created a "bike riding" pathway.

[|http://kidshealth.org/kid/htbw/brain.html#]

Emotion Location
With all the other things it does, is it any surprise that the brain runs your emotions? Maybe you got the exact toy you wanted for your birthday and you were really happy. Or your friend is sick and you feel sad. Or your little brother messed up your room, so you're really angry! Where do those feelings come from? Your brain, of course. Your brain has a little bunch of cells on each side called the amygdala (say: uh-**mig**-duh-luh). The word amygdala is Latin for almond, and that's what this area looks like. Scientists believe that the amygdala is responsible for emotion. It's normal to feel all different kinds of emotions, good and bad. Sometimes you might feel a little sad, and other times you might feel scared, or silly, or glad.

**Science Factfile**

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 * The human brain is growing! In 1860 the average weight of a male brain was 3 lbs. Now a man’s brain weighs an average of 3 1/8 lbs.
 * There are around 100 billions nerve cells in the body.
 * A nerve cell can transmit 1,000 nerve impulses each second.

Be Good to Your Brain
So what can you do for your brain? Plenty. [|http://kidshealth.org/kid/htbw/brain.html#]
 * Eat healthy foods. They contain potassium and calcium, two minerals that are important for the nervous system.
 * Get a lot of playtime (exercise).
 * Wear a helmet when you ride your bike or play other sports that require head protection.
 * Don't drink alcohol, take drugs, or use tobacco.
 * Use your brain by doing challenging activities, such as puzzles, reading, playing music, making art, or anything else that gives your brain a workout!

The nervous system is made up of the brain, the spinal cord, and nerves. One of the most important systems in your body, the nervous system is your body's control system. It sends, receives, and processes nerve impulses throughout the body. These nerve impulses tell your muscles and organs what to do and how to respond to the environment. There are three parts of your nervous system that work together: the central nervous system, the peripheral nervous system, and the autonomic nervous system.


 * The central nervous system consists of the brain and spinal cord. It sends out nerve impulses and analyzes information from the sense organs, which tell your brain about things you see, hear, smell, taste and feel.
 * The peripheral nervous system includes the craniospinal nerves that branch off from the brain and the spinal cord. It carries the nerve impulses from the central nervous system to the muscles and glands.
 * The autonomic nervous system regulates involuntary action, such as heart beat and digestion.

The brain
Contents
 * [|What is the brain?]
 * [|What the brain does]
 * [|Control centres of the brain]
 * [|Interesting facts about the human brain]
 * [|Looking after your brain]
 * [|Dr Kim says]
 * [|Try the Brain Teaser quiz]

=is the brain?= The brain is the control centre for your body and it sits in your skull at the top of your spinal cord. The brain has three main parts. Your brain is wrapped in 3 layers of tissue and floats in a special shock-proof fluid to stop it from getting bumped on the inside of your skull as your body moves around.
 * 1) The ** cerebellum ** (say se-re-bell-um).
 * 2) The ** cerebrum ** (say se-re-brum), which has two parts, the left and right ** cerebral hemispheres **, (say se-re-brell hem-iss-fears).
 * 3) The ** brain stem **, that controls a lot of the 'automatic' actions of your body such as breathing and heart beat, and links the brain to the spinal cord and the rest of the body.

=What the brain does=

Your brain is more powerful, more complex and more clever than any computer ever built. It is constantly dealing with hundreds of messages from the world around you, and from your body, and telling your body what to do. It gets the messages from your senses - ** seeing, hearing, tasting, smelling, touching and moving. **The messages travel from nerve cells all over the body. They travel along nerve fibres to nerve cells in the brain. The ** spinal cord ** carries messages to and from the arms, legs and trunk of the body. || ||
 * ** Cranial nerves ** (say cray-nee-al) carry messages to and from the ears, eyes, nose, throat, tongue and skin on your face and scalp.


 * [[image:http://www.cyh.com/HealthTopics/Library/ears8.jpg width="165" height="80" caption="cars on motorway"]] || ** Sensory nerves **collect the information and send it to the brain** along one network **then ** motor nerves **take the brain’s orders back along another network (like cars travelling along their own side of the highway.) ||

=Control centres of the brain= Doctors and scientists have found that different parts of the brain are in charge of different things. Look at the diagram for an easy way to understand. The outside layer of the ** cerebrum ** has special areas, which receive messages about sight, touch, hearing and taste. Other areas control movement, speech, learning, intelligence and personality.
 * Your brain collects all the information, sorts it out, thinks, remembers, creates, compares, solves problems and coordinates actions **all at the same time - even when you’re asleep! (And you don’t have to be 'plugged in' and 'online' either!)** || [[image:http://www.cyh.com/HealthTopics/Library/sleep-1.jpg width="79" height="200" caption="feeling tired"]] ||
 * ** If you get too tired or don’t eat enough food, your brain can’t do this as well as usual. ** ||^  ||
 * [[image:http://www.cyh.com/HealthTopics/Library/brain.gif width="295" height="250" caption="diagram of the brain"]] || The ** cerebellum ** controls and coordinates movements of the muscles, like walking or swinging the arms. This means that the movement is smooth and controlled and you don’t fall over when you turn around. ||

=Interesting facts about the human brain=
 * The brain stem ** is in charge of keeping the automatic systems of your body working. You don’t have to think about breathing, you just do it automatically, but you can decide if you want to hold your breath for a short time. You don’t have to think about your heart beating because your brain keeps it going automatically.
 * [[image:http://www.cyh.com/HealthTopics/Library/litebulb2.gif width="12" height="20" caption="*"]] || Do you know that your brain has around 100 billion nerve cells? ||
 * [[image:http://www.cyh.com/HealthTopics/Library/litebulb2.gif width="12" height="20" caption="*"]] || It also has 1,000 billion other cells, which cover the nerve cells and the parts of the nerve cells which form the links between one cell and another, feed them and keep them healthy. ||


 * [[image:http://www.cyh.com/HealthTopics/Library/litebulb2.gif width="12" height="20" caption="*"]] || Your brain keeps on growing until you are about 20 years old. By then the brain has made lots of links which it no longer needs so it is able to shed any unwanted connections and still have billions of brain cells left to cope with whatever you may want to do. You can still make new connections even when you are 100 years old, so get Grandma going on the computer - she may not learn as fast as you but she can do it! || [[image:http://www.cyh.com/HealthTopics/Library/gl-gran.jpg width="177" height="200" caption="grandma"]] ||

=Looking after your brain= Your brain is protected inside your skull but could still be damaged if your head is hit or bumps into something hard. Apart from making sure that you don’t injure your brain, you can also make sure that you help your brain by: The human brain is so complex that doctors and scientists still don’t know what some parts of it do. They do know that if the brain is damaged, the damage often cannot be repaired. You can’t join brain cells together like you can do with bones. Doctors and scientists know how some of the brain works and can sometimes fix it when things go wrong, but the brain is truly amazing and we don’t know all its secrets yet.
 * [[image:http://www.cyh.com/HealthTopics/Library/sleep-2.jpg width="174" height="250" caption="listening to music"]] || [[image:http://www.cyh.com/HealthTopics/Library/litebulb2.gif width="12" height="20" caption="*"]] || The **front** of the human brain is larger than any other animal's, even the dinosaur's! ||
 * ^  || [[image:http://www.cyh.com/HealthTopics/Library/litebulb2.gif width="12" height="20" caption="*"]] || The left side of your brain is usually better at problem solving, maths and writing. ||
 * ^  || [[image:http://www.cyh.com/HealthTopics/Library/litebulb2.gif width="12" height="20" caption="*"]] || The right side of the brain is creative and helps you to be good at art or music. ||
 * ^  || [[image:http://www.cyh.com/HealthTopics/Library/litebulb2.gif width="12" height="20" caption="*"]] || The brain stores all sorts of things in the memory including facts and figures and all the smells, tastes and things you have seen, heard or touched. ||
 * ^  || [[image:http://www.cyh.com/HealthTopics/Library/litebulb2.gif width="12" height="20" caption="*"]] || Your brain can also find things that you have remembered---like how to spell **ce-re-bell-um.** ||
 * [[image:http://www.cyh.com/HealthTopics/Library/tick2b.gif width="18" height="20" caption="*"]] || Always wear a helmet if you are riding a bike, scooter or skate board. || [[image:http://www.cyh.com/HealthTopics/Library/DrM-mbike.jpg width="120" height="130" caption="wearing safety gear"]] ||
 * [[image:http://www.cyh.com/HealthTopics/Library/tick2b.gif width="18" height="20" caption="*"]] || Always wear a helmet for sports where you could be hit or fall, eg baseball or horse-riding . ||^  ||
 * [[image:http://www.cyh.com/HealthTopics/Library/tick2b.gif width="18" height="20" caption="*"]] || Never dive into water unless you know how deep it is. (Your brain should let you know that this is not a smart thing to do.) ||^  ||
 * [[image:http://www.cyh.com/HealthTopics/Library/wbs02tlb_thm.gif width="18" height="18" caption="*"]] || Eating healthy food like fish and fresh vegetables. || [[image:http://www.cyh.com/HealthTopics/Library/feel-bed.jpg width="110" height="79" caption="getting plenty of sleep"]] ||
 * [[image:http://www.cyh.com/HealthTopics/Library/wbs02tlb_thm.gif width="18" height="18" caption="*"]] || Exercising your brain by learning new things and trying to remember them. ||^  ||
 * [[image:http://www.cyh.com/HealthTopics/Library/wbs02tlb_thm.gif width="18" height="18" caption="*"]] || Getting plenty of sleep. ||^  ||


 * [|3-D Brain Anatomy] . Run your mouse over the brain to identify the parts and their functions. Zoom in and out on brain. Works well with a paper for students write what they see & read.. Students find this site fascinating. A PBS site. Grade 4+
 * [|Brain Zone] Good simple discription of parts of the brain. Colorful diagram. Interesting optical illusion link. Reading level 3+
 * [|Dialogue for Kids] . One kid friendly page with lots of information. Colorful and easy to use. Reading level 4+
 * [|Welcome to the Nervous System] . Central includes the brain and spinal cord. Good diagram of spinal cord. Peripheral includes neurons good diagram and diagram of how the synapses work. Endocrine system and pituitary gland are not very clear. A Thinkquest site. Reading level 3+
 * [|Interactive Brain Parts]. Very interactive lessons with pop up windows for students to explore. Neuron Explosion explains how Neurons actually work. Brain Attack explains how strokes affect different parts of the brain. Neuron Laboratory includes a Frankenstein castle. Students have to find the code to make it work. Ecstasy Invaders is a spaceship game about the Neurons. Brain-o-coaster and Neuron Navigator are the least effective lessons. Grade 4+
 * [|Neuroscience for kids]. **Everything** you could possibly want to learn about the brain. Great details. Not very child friendly, but an excellent teacher resource. Includes some good games that follow. Reading level high 4+
 * [|Probe the brain] Stick a virtual pin in the brain and see what parts of the body move. Comic style.
 * [|Online Comic Book & Brainy Games.] Online comic book about the brain that is about 25 pages, but its fun and is very informative. Sometimes the pages don't load and you have to go back and try again. Brainy games includes build a neuron, visual illusions, build a brain (just the 4 parts), and brain fly through. Teachers may want to go over some terminology before having kids do it. Grade 4+ From Neuroscience for kids.
 * [|Brain Drain Challenge] Put all the functions on the right place on the brain. Can be timed or untimed. Very easy.
 * [|Stroop Test]. A well known experiment showing how the brain works.Try it. From Neuroscience for Kids
 * [|Color on line] Neuron, Lobes of the brain, Spinal Cord, The Brain, The Skull, Neurons, and Synapses. Scroll down to get to the color on line. Other brain games also. From Neuroscience for Kids
 * [|Droodles]. Visual brain riddles. Exploritorium. Illustrates how the brain works.
 * [|Brain Benders][|.] Use your brain. A national geographic site.


 * POST ESSAYS BELOW**

The Nervous System The most important system in our body which controls the whole body from the top to the bottom, being the boss…

The nervous system is all around our body. It sends, processes, and receives hormones. There are 3 parts in the nervous system. They are the brain, spinal cord, and nerves. There are also 3 types or the nervous system. They have names in short form. We move and act, because we have the nervous system. The nervous system is most commonly known as your brain system. It is just that our spinal cord and nerves join and help the brain.

There are short forms of the 3 types of the nervous system. They are called the CNS, PNS, and the ANS. The CNS stand for central nervous system, and it consists the spinal cord and the brain. The PNS stand for peripheral nervous system, and it carries nerve impulses central nervous system to the muscles and glands. ANS stands for autonomic nervous system and it regulates involuntary muscles. For example your brain is an autonomic system because you do not need to say to the brain to do this and that. It doesn’t need your help to do its job. Systems that can work without help or telling anything is automatic. All the 3 types of the nervous system are located in different parts of our brain, but they all work for specific reasons.

Most importantly, the brain is very necessary. There are 5 important parts in the brain. They are the cerebrum, cerebellum, brain stem, pituitary gland, and the hypothalamus. They all have important jobs. The cerebrum is the biggest part of the brain. It stores memories and also helps us think. The cerebellum is just below the cerebrum, and it controls, balances us, moves, and tells us the coordinates. Brain stem is where the spinal cord is connected with the brain. Spinal cord is kind of a wire which sends the message to the brain from all parts of the body. The spinal cord says to the brain what to do in different situations. Pituitary gland is very tiny. It is sometimes called ‘peas’. The gland controls the amount of sugar and water. It produces special hormones. The hypothalamus controls your body temperature. It decides whether your body should be hot or cold.

There are neurons and amygdales in our body, too! They also take part in the nerves. The nervous system is made up of neurons. We have 100 billion neurons when we are born. Neurons are microscopic cells. Neurons have a job to help the spinal cord to give the message to the brain as fast as they can. The amygdales are little bunch of cells on each side of the brain and they are also responsible for our facial emotions. Doctors use a machine called the MRI to see the brain, one way we can say it that the MRI is an x-ray for brain. The MRI stands for ‘magnetic resonance imaging’.

We can do a lot of things to respect our brain. We respect it because it is my body’s boss. We can eat healthier foods like vegetable and fruits but make sure it is fresh. It fresh your brain. Some people don’t like or even bother doing exercise because they are lazy, then your brain will not be happy. The other thing we can do is to challenge ourselves. We can do a lot of things to challenge ourselves like we can do some challenging games such as Sudoku, word search, puzzles and more. We challenge us to make knowledge. We can also use our left side of the brain as it is good in problem solving. Our right brain is helpful in creativity so it might help you in arts and music. Our brain is larger than any animals, and we have a bigger brain than dinosaurs, too!

If we didn’t have our nervous system, we will be on the bed not even dreaming or looking. We will be totally numb and maybe you will die. The brain is the boss of our body, and it makes sure our heart is pumping all the time or if the food gets digested in each time. The brain does everything for you, so if your skin is itchy, your spinal cord sends a message to the brain to scratch it or put medicine on it. Sometimes, the brain works more accurately when we are sleeping because dreaming uses more energy. Everybody must have a nervous system. Keep on using your brain! **Written by Ji Ae G5**

The Neutral Nervous System  The Nervous System is made up of 3 main organs; the brain, spinal cord, and nerves. Like every other system does, this system also has an activity. Its activity is to send, process, and receive nerve impulses through out our body. Nerve impulses are waves of physical and chemical excitations along a nerve fiber. These nerve impulses tell our muscles and organs, what to do and how to respond to the environment. There are nerve impulses, through out our whole body. There are 3 main organs in the Nervous System. They are the brain, spinal cord, and nerves. A brain is the organ inside our head that controls our body and allows us to think and have feelings. Our brain is also the boss of our body, and it is protected by the skull. A spinal cord is the message path way, which fits inside our spine, or backbone. It sends signals to and back our body, with every single movement we make. Nerves are one of the thin fibers that send messages between our brain or spinal cords and other parts of our body, so that we can move and feel. All of these organs are in different parts of our body, but they are all important parts of our Nervous System. There are 3 types of Nervous Systems in our body. They are the Central, Peripheral, and Autonomic Nervous Systems. The Central Nervous System often called “CNS”, consists of 2 organs; the brain and the spinal cord. It also sends out nerve impulses and analyzes information from the sense organs. Sense organs are organs in our body that receives information form its surroundings. The human sense organs include the eyes, ears, nose, mouth (taste buds), and skin. The Peripheral Nervous System, often called “PNS”, carries the nerve impulses from the Central Nervous System to the muscles and glands. The name of this Nervous System came from the word “peripheral”, which means “to do with the outer part”. The Autonomic Nervous System, often called “ANS”, is the system which regulates involuntary action such as heart beat and digestion. This system does work by sending messages, without us, telling them what to do. 3de`zqs A brain is the most important part of our body, and is divided into many different parts. The 5 important parts of our brain are the Cerebellum, Cerebrum, Brain Stem, Pituitary Gland, and the Hypothalamus. The Cerebellum is the part of our brain at the back of our head, which controls the activity of our muscles. This part is below the Cerebrum, and controls balance, movement, and coordination. The Cerebrum is the front part of our brain, responsible for thoughts, emotions, and personality. This part is the largest part and the memory part of our brain, and also controls voluntary muscles. The Brain Stem is one organ in our brain that connects the rest of the brain to the spinal cord. It is in charge of involuntary muscles that work automatically. This part of our brain is beneath the Cerebrum and in front of the Cerebellum. The Pituitary Gland is a small organ at the base of our brain that produces and releases special hormones that influences growth. It also controls the amount of sugar and water in our body. The Hypothalamus is an area in the central lower part of our brain that controls body temperature. This part of our brain helps us avoid having too hot temperatures and too cold temperatures. <span style="display: block; font-family: Calibri,sans-serif; font-size: 12pt; text-align: left;">There are many brain cells in our body. The main and most common one is called “Neuron”. Neurons are cells that send and receive electro-chemical signals to and from the brain and Nervous System. There are about 100 billion neurons in our brain. At birth, there are so many of these, but some are connected, and some are not. The other type of cell in our body is called “Amygdala”. Amygdalas are little bunch of cells on each side of our brain. Scientists believe that this cell is responsible for emotion. The Amygdala and Neurons have different functions of the brain, but are both cells. <span style="display: block; font-family: Calibri,sans-serif; font-size: 12pt; text-align: left;">Our brain is a very important organ in the whole body, but mainly the Nervous System. There are even many cords, which send signals around our body. Without this system in our body, we would all be robots. When we actually have a brain, we can think, have emotion, and move our involuntary and voluntary muscles, and do lots of other amazing things, which we do, now. This is one of the most important systems in our body… Written by Mizuki

<Nervous system> The feeling and controlling street inside our body

The nervous system is made up with 3 main organs, the brain, the spinal cord, and the nerves. The processes nerve impulses throughout our body. There are 3 types of nervous system; they are central nervous system, peripheral nervous system and autonomic nervous system. Central nervous system is consisting of brain and spinal cord; it also sends nerve impulses and analyzes information from the sense organs. Peripheral nervous system carries nerve impulses from the central nervous system, to muscles and glands. Autonomic nervous system regulates involuntary action, for example, heartbeat or digestion.

There are 5 main parts in brain; they are cerebrum, cerebellum, brain stem, pituitary gland, and hypothalamus. Cerebrum is the biggest and heaviest part of the brain; it is the thinking part of the brain. Cerebellum is located at the back of the cerebrum; it controls balance, movement, and the coordination. Brain stem connects the brain to the spinal cord; it controls all the body functions like breathing and circulating blood. Pituitary gland is tiny, but it produces and releases hormones, which helps us glow or help change children into adults. Hypothalamus regulates the body temperature.

Every human has backbone called spine. Inside it, there is a spinal cord. The spinal cord joins the brain at the top of our neck. Human also have nerves that connect to the spinal cord. Messages from the nerves travel to the spinal cord and spinal cord send them to the brain. The messages come from eyes, skin, ears, tongue and nose. The brain works out what the messages are so we know what we are seeing, touching, hearing, tasting or smelling, and if we hurts or feels good.

All the felling s comes from our brain! On each side of the brain, there is little bunch of cells called amygdala. The word amygdala is Latin almond, that is what this area looks like. It’s normal to feel all different kinds of emotions, good or bad. Sometimes you might feel a little sad or other times you might feel scared or silly.

A neuron is a nerve cell that is the basic building block of the nervous system. Neurons are similar to the other cells in the human body in a number of a ways, but there is one difference between neurons and the other cells, neurons are specialized to transmit information throughout the body. There are 3 main parts of neurons; they are the dendrites, the cell body, and the axon. At birth a baby’s brain contains 100 billion neurons. As the baby learns, the brain continues to develop.

The brain is boss of the nervous system, but it can’t do it alone, it needs some nerves. It also needs spinal cord, which is a long bundle of nerves inside your spinal column, the vertebrae that protect it. It’s a spinal cord and nerves (nervous system) that let the messages flow back and forth between the brain and the body. The nervous system is made up of millions and millions of neurons. Each neuron has tiny branches coming off, and these branches let neuron connect to many other neurons.

Written by Mutsuki

Nervous system>>Ink The main and important system in your body.

The nervous system is an organ system containing a network of specialized cells called neurons. It has many, many parts. The boss of the nervous system is brain. The nervous system is made of; the brain, spinal cord, and nerves. There are three activity of nervous system; sends, processes, and receives. The three parts of nervous system are; central nervous system (CNS), peripheral nervous system (PNS), and autonomic nervous system (ANS). In most animals the nervous system consists of two parts; CNS and PNS.

Now you know there are three parts of nervous system and what they do? Central nervous system or CNS consists of the brain, spinal cord, send out nerve impulses and analyzes information from the sense organs. There are many sense organs, such as, sight, hear, smell, etc. Peripheral nervous system or PNS carries the nerves impulses from the central nervous system to the muscles and glands. It also consists of the various nerves that connect particular parts of the CNS with particular organs. Autonomic nervous system or ANS regulates involuntary action, such as, heartbeat and digestion.

Five important parts of the brain are; the cerebrum, the cerebellum, the brain stem, the pituitary gland, and the hypothalamus. The cerebrum is the thinking part and the biggest part of the brain; it controls voluntary muscles and memory. The cerebellum is below the cerebrum, controls balance, movement, and coordination. The brain stem connects the rest of the brain to the spinal cord, in the charge of involuntary muscles- the one that work automatically. The pituitary gland is tiny, produces and releases hormones, which help you grow and help change children into adults. Hypothalamus regulates the body temperature.

What is the emotion location? Your brain has a little bunch of cells on each side called the amygdala. Amygdala is Latin for almond, and that’s what area looks like is. Scientists believe that the amygdala is responsible for emotion. It’s normal to feel all different kinds of emotions, good and bad, pretty and ugly. Sometimes you might feel scared, sad, happy or whatever.

Do you know what neuron is? A neuron is a nerve cell that is the basic of the nervous system. Neurons are specialized to transmit information throughout the body. There are three basic parts of a neuron; the dendrites, the cell body, and the axon. All neurons vary somewhat in size, shape, and characteristics depending on the function and role of the neuron. Some neurons have few dendritic branches, while others are highly branched in order to receive a great deal of information. Some neurons have short axons, some others can be quite long. Brain, spinal cord, and nerve are three main nervous systems. They all work together to control different parts of body such as sense organs, heartbeat and digestion. If any parts have problems, your body will not function well and you will be ill.

By: Ink grade 5

<span style="display: block; font-family: Calibri; font-size: 12pt; line-height: 115%; margin: 0cm 0cm 10pt; text-align: center;">Nervous system <span style="display: block; font-family: Calibri; font-size: 12pt; line-height: 115%; margin: 0cm 0cm 10pt; text-align: center;">Our nervous system is one of the most important systems The nervous system is made up of brain, spinal cord, and nerves. The nervous system is your body’s control system. It sends receives and processes nerve impulses throughout the body. These nerves impulses tell your muscles and organ what to do and how to respond to the environment.

There are three parts of your nervous system that works together. The central nervous system, the peripheral nervous system, and the autonomic nervous system. The central nervous system consists of the brain and the spinal cord. It sends out nerve impulses and analyzes information from the sense organ, which tells your brain about things you see, hear, smell, taste, and feel.

The peripheral nervous system has the craniospinal nerves that come off from the brain and the spinal cord. It carries the nerve impulses from the central nervous system to the muscles and glands. The autonomic nervous system regulates involuntary action, such as heart beat and digesting food. The brain controls our body like a boss. It’s protected by the skull, which is a thick bone. The brain makes our heart keep breathing and our lungs keep working without us have to think about it.

There are 5 important parts of the brain. Cerebrum, the biggest and the heaviest part, It is the thinking part of the brain. Cerebellum, at the back of the brain below the cerebrum it controls balance and movement. The brain stem is in charge of all function in your body because it needs to stay alive, like breathing air. Hypothalamus regulates the body temperature. The cerebrum makes up 85% of the brain’s weight.

We all have a back bone, and it is called the spine. Inside it, there is a spinal cord. The spinal cords are joined with the brain at the top of our neck. There are nerves which are connected to the spinal cord. Message from the nerves travel to the spinal cord, which sends them to the brain, the messages come from eyes, skin, nose, ears, tongue. The brain works out what the messages are so we know what we are seeing, touching, hearing, and tasting.

A neuron is a nerve cell that is the basic building block of the nervous system. Neurons are similar to other cells in the human body in a number of ways, but there is one different between neuron and other cells. Neurons are specialized to transmit information throughout the body. There are three basic parts of the neuron: the dendrites, the cell body, and the axon.

The nervous system is very important; it is made out of brain, the spinal cord, and the nerves. The nervous system controls us. If Mr. Gary get a knife and stick it into your hand, your will be scare or nervous because of the nervous system. It makes you move, control your movement, or even control your balancing. <span style="display: block; font-family: Calibri; font-size: 12pt; line-height: 115%; margin: 0cm 0cm 10pt; text-align: right;">This essay is made by: Pat G.5 <span style="color: #2a2a2a; display: block; font-family: Calibri; font-size: 12pt; line-height: 115%; margin: 0cm 0cm 10pt; text-align: right;">THE NERVOUS SYSTEM-NATCHA <span style="color: #2a2a2a; display: block; font-family: Calibri; font-size: 12pt; line-height: 115%; margin: 0cm 0cm 10pt; text-align: right;">I AM SO NERVOUS FOR MY TEST…..

<span style="display: block; font-family: Calibri; font-size: 12pt; line-height: 115%; margin: 0cm 0cm 10pt; text-align: right;"> The nervous system is made up of the brain, the spinal cord and nerves. One of the most important systems in our body, the nervous system is our body control system. It sends receives and processes nerve impulses throughout the body. These nerve impulses tell your muscles and organs, what to do and how to respond to the environment. There are three part of nervous system that work together, which are central nervous system, peripheral nervous system and the autonomic nervous system.

<span style="display: block; font-family: Calibri; font-size: 12pt; line-height: 115%; margin: 0cm 0cm 10pt; text-align: right;"> Inside our head is a brain. The brain control how our bodies work. The brain is protected by the skull, which is thin bone brain make sure our hearts keep beating and our lungs keep working without us having to think about it. The part of the brain make our muscles work. There are 5 parts of brain.Cerebrum, cerebellum, brain stem, pituitary gland and hypothalamus.

<span style="color: #2a2a2a; display: block; font-family: Calibri; font-size: 12pt; line-height: 115%; margin: 0cm 0cm 10pt; text-align: right;"> Cerebrum is the biggest part of the brain. It is the thinking part of the brain and memory. Cerebellum, it is below the cerebrum, it controls, balance, movement and co-ordination. Brain stem is in charge of all the functions of your body need to stay alive. Pituitary gland is tiny but produces and releases hormones, which help you to grow, for example- boy to men, girl to women, 1to20 or etc.

<span style="color: #2a2a2a; display: block; font-family: Calibri; font-size: 12pt; line-height: 115%; margin: 0cm 0cm 10pt; text-align: right;"> The spinal cord joins the brain at the top of our neck. All through our body there are nerves which connect to the spinal cord. This is called nervous system. Message from the nerves travel to the spinal cord, which sends them to the brain. Neurons are long, wiry cells that carry electrical messages through the nervous system and the brain. The messages come from eyes, skin, noes, ears, tongue. The brain works out what the messages are so we know what we are seeing, touching, hearing and tasting and if something hurt of feels good.

<span style="color: #2a2a2a; display: block; font-family: Calibri; font-size: 12pt; line-height: 115%; margin: 0cm 0cm 10pt; text-align: right;"> The central nervous system consists of the brain and spinal cord. It sends out and nerve impulses and analyzes information from the sense organs. The peripheral nervous system includes the claniuspinal nerves that branch off from the brain and the spinal cord. It carries the nerve impulses from the central nervous system to the muscles and glands. The autonomic nervous system regulates involuntary action, such heart beat and digestive. These are all important part of nervous system.

<span style="color: #0d0d0d; display: block; font-family: Calibri; font-size: 12pt; line-height: normal; margin: 0cm 0cm 10pt 18pt; text-align: right;">There are millions of nerve cells in the human body. This number even exceeds the number of stars in the Milky Way. The human brain alone consists of about a 100 billion neurons. If all these neurons were to be lined up, it would form a 600 mile long line. In humans, the right side of the brain controls the left side of the body, while the left side of the brain controls the right side. The diameter of the neurons can range between 4 to 100 microns. In a child developing inside the womb, neurons grow at the rate of 250,000 neurons per minute. By the time of its birth, the baby's brains consists of around 10 million nerve cells. The human spinal cord consists of around 13,500,000 neurons. The cluster of nerves located at the base of the spinal cord is most sensitive. The weight of the brain in average adult males is 1375 grams, while in females it is 1275 grams. And as we grow older the brain loses a gram each year. <span style="display: block; font-family: Calibri; font-size: 12pt; line-height: 115%; margin: 0cm 0cm 0pt; text-align: center;"> The Nervous system essay-Yoshita <span style="display: block; font-family: Arial; font-size: 12pt; line-height: 115%; margin: 0cm 0cm 0pt; text-align: center;">Nerves make me nervous…

<span style="display: block; font-family: Arial; font-size: 12pt; line-height: 115%; margin: 0cm 0cm 0pt; text-align: right;">The Nervous System is made up of 2 main organs: The brain and the spinal cord. There are 3 types of Nervous Systems in our body. They are the Central, Peripheral, and Autonomic Nervous Systems. Nerves are one of the thin fibers that send messages between our brain or spinal cords and other parts of our body, so that we can move and feel. All of these organs are in different parts of our body, but they are all important parts of our Nervous System.

<span style="display: block; font-family: Arial; font-size: 12pt; line-height: 115%; margin: 0cm 0cm 0pt; text-align: right;">The brain is the most important part of our body, and is divided into many different parts. The 5 important parts of our brain are the Cerebellum, Cerebrum, Brain Stem, Pituitary Gland, and the Hypothalamus. The Brain Stem is one organ in our brain that connects the rest of the brain to the spinal cord. It is in charge of involuntary muscles that work automatically. Cerebellum, at the back of the brain below the cerebrum it controls balance and movement. Cerebrum, the biggest and the heaviest part, It is the thinking part of the brain. Cerebrum makes up 85% of the brain’s weight. Pituitary gland is tiny but produces and releases hormones, which help you to grow, for example- boy to men, girl to women, 1to20 or etc. Hypothalamus regulates the body temperature.

<span style="display: block; font-family: Arial; font-size: 12pt; line-height: 115%; margin: 0cm 0cm 10pt; text-align: right;">There are 3 types of Nervous Systems in our body. They are the Central, Peripheral, and Autonomic Nervous Systems. The Central Nervous System often called “CNS”, consists of 2 organs; the brain and the spinal cord. It also sends out nerve impulses and analyzes information from the sense organs. Sense organs are organs in our body that receives information form its surroundings. The human sense organs include the eyes, ears, nose, mouth (taste buds), and skin. The Peripheral Nervous System, often called “PNS”, carries the nerve impulses from the Central Nervous System to the muscles and glands. The name of this Nervous System came from the word “peripheral”, which means “to do with the outer part”. The Autonomic Nervous System, often called “ANS”, is the system which regulates involuntary action such as heart beat and digestion. <span style="display: block; font-family: Arial; font-size: 12pt; line-height: 115%; margin: 0cm 0cm 10pt; text-align: right;">There are many brain cells in our body. The main and most common one is called “Neuron”. Neurons are cells that send and receive electro-chemical signals to and from the brain and Nervous System. There are about 100 billion neurons in our brain. At birth, there are so many of these, but some are connected, and some are not. Scientists believe that this cell is responsible for emotion. The Amygdale and Neurons have different functions of the brain, but are both cells. Without this system in our body, we would all be robots. When we actually have a brain, we can think, have emotion, and move our involuntary and voluntary muscles. <span style="display: block; font-family: Arial; font-size: 12pt; line-height: 115%; margin: 0cm 0cm 10pt; text-align: right;">Do you know what a neuron is? A neuron is a nerve cell that is the basic of the nervous system. Neurons are specialized to transmit information throughout the body. There are three basic parts of a neuron; the dendrites, the cell body, and the axon. All neurons vary somewhat in size, shape, and characteristics depending on the function and role of the neuron. Some neurons have few dendrite branches, while others are highly branched in order to receive a great deal of information. Some neurons have short axons; some others can be quite long. <span style="display: block; font-family: Calibri; font-size: 12pt; line-height: 115%; margin: 0cm 0cm 10pt; text-align: right;"> The nerve impulse tells about your muscles and organs, what to do and how to respond to the environment. There are three part of nervous system that work together, which are central nervous system, peripheral nervous system and the autonomic nervous system. The human brain alone consists of about a 100 billion neurons. If all these neurons were to be lined up, it would form a 600 mile long line. In humans, the right side of the brain controls the left side of the body, while the left side of the brain controls the right side. The diameter of the neurons can range between 4 to 100 microns. In a child developing inside the womb, neurons grow at the rate of 250,000 neurons per minute.

The system of signals.
==== The nervous system is made up of the brain, the spinal cord, and nerves. One of the brain most important system in your body’s control system. Nervous impulses throughout the body central nervous system consists brain and spinal cord. Sends out nerve impulses analyzes information from the senses organs, which tell your brain about things you see, hear, smell, taste, and feel. ====

==== The peripheral nervous system includes the craniouspinal nerves that branch of from the brain and spinal cord. It carries the nerves impulses from the central nervous system to the muscles and glands. ====

==== The Biggest part of your brain is the “cerebrum”. The cerebrum is the brain bellow; it controls balance, movement and co-ordination. The brain stem is beneath the cerebrum and in front of the cerebellum; it connects the rest of the rest of the brain to the brain, to the spinal cord, in- charge of voluntary muscles, the ones that work automatically. ====

==== Pituitary Gland is very small. It produces and release special hormones that made you grow. Plus it controls the amount of sugars and water. Hypothalamus controls your body temperature. It tells if your body is too cold or hot. ====

==== Neurons, at birth are so many. Some are connected and some are not. Neurons experiences help. Amygdales, a little bunch of cells of the on each side of the brain. Amygdales are responsible for emotions. ====

==== We can do a lot of things to respect our brain. We eat healthy food to make the brain works better. We can do some challenging things like learning so our brain will work because we will know a lot of facts and information! Also keep on drinking water because that is one our brain can get OXYGEN!! ====

==== Brain, spinal cord, and nerves make up the brain. 3 parts of nervous system that work together are central, Peripheral, Autonomic nervous system. The biggest part of our brain is the cerebrum. As I told you yr brain your brain stem is in charge of involuntary muscles. Amygdales are responsible for emotion. There are 100 billions nerve cells of baby brain at birth. ====

<span style="background-color: transparent; color: #000000; font-family: 굴림; font-size: 16px; text-align: left; text-decoration: none; vertical-align: auto;"><span style="background-color: transparent; color: #000000; font-family: 'Calibri','sans-serif'; font-size: 16px; text-align: left; text-decoration: none; vertical-align: auto;">Walter G5 <span style="background-color: transparent; color: #000000; font-family: 굴림; font-size: 16px; text-align: center; text-decoration: none; vertical-align: auto;"> <span style="background-color: transparent; color: #000000; font-family: 'Calibri','sans-serif'; font-size: 16px; text-align: center; text-decoration: none; vertical-align: auto;">Funny Nervous System <span style="background-color: transparent; color: #000000; font-family: 굴림; font-size: 16px; text-align: center; text-decoration: none; vertical-align: auto;"> <span style="background-color: transparent; color: #000000; font-family: 'Calibri','sans-serif'; font-size: 16px; text-align: center; text-decoration: none; vertical-align: auto;">Hmmm? What is this system all about? <span style="background-color: transparent; color: #000000; font-family: 굴림; font-size: 16px; text-align: left; text-decoration: none; text-indent: 11.25pt; vertical-align: auto;"> <span style="background-color: transparent; color: #000000; font-family: 'Calibri','sans-serif'; font-size: 16px; text-align: left; text-decoration: none; vertical-align: auto;">Nervous system is a system that controls our body. The main parts for nervous system are the brain, nerves and the neurons. The biggest part of nervous system is the brain. Did you that, the baby’s brain contains 100 billion neurons. We have 35 parts in our brain and the 2 main parts are cerebrum and cerebellum. <span style="background-color: transparent; color: #000000; font-family: 굴림; font-size: 16px; text-align: left; text-decoration: none; text-indent: 11.25pt; vertical-align: auto;"> <span style="background-color: transparent; color: #000000; font-family: 'Calibri','sans-serif'; font-size: 16px; text-align: left; text-decoration: none; vertical-align: auto;">Brain is a part of our body that control our body and it can be voluntary and involuntary (muscles). There are about 35 parts in the brain. Brain is like a boss to our body, because the brain controls our body. We cannot survive without the brain, because it controls our whole body, so it means it also control the heart and if our heart don’t pump we will die. Nerves support the brain. <span style="background-color: transparent; color: #000000; font-family: 굴림; font-size: 16px; text-align: left; text-decoration: none; text-indent: 11.25pt; vertical-align: auto;"> <span style="background-color: transparent; color: #000000; font-family: 'Calibri','sans-serif'; font-size: 16px; text-align: left; text-decoration: none; vertical-align: auto;">Cerebrum is a part in front of our brain. <span style="background-color: transparent; color: black; font-family: 'Arial','sans-serif'; font-size: 16px; text-align: left; text-decoration: none; vertical-align: auto;">It makes up 85% of the brain’s weight. Cerebrum is a part in our brain and that is the thinking part of our brain. It controls voluntary muscles in our body too. If our cerebrum gets damage we will be as stupid as WALL-E. It is the biggest part in the brain. <span style="background-color: transparent; color: #000000; font-family: 굴림; font-size: 16px; text-align: left; text-decoration: none; text-indent: 11.25pt; vertical-align: auto;"> <span style="background-color: transparent; color: #000000; font-family: 'Calibri','sans-serif'; font-size: 16px; text-align: left; text-decoration: none; vertical-align: auto;">Cerebellum is a part that is back of our brain. <span style="background-color: transparent; color: black; font-family: 'Calibri','sans-serif'; font-size: 16px; text-align: left; text-decoration: none; vertical-align: auto;">It controls balance, movement, and coordination. Cerebellum is 1/8 of cerebrum’s size. If cerebellum gets damage maybe we would act like a drunken guy, because when cerebellum is damaged it cannot control the balance of our body. <span style="background-color: transparent; color: #000000; font-family: 굴림; font-size: 16px; text-align: left; text-decoration: none; text-indent: 11.25pt; vertical-align: auto;"> <span style="background-color: transparent; color: #000000; font-family: 'Calibri','sans-serif'; font-size: 16px; text-align: left; text-decoration: none; vertical-align: auto;">Nerves are lines that spread messages that the brain sends. Nerves support the brain like this, when the brain sends messages to our body the messages go through the nerves and our body gets messages, our body start moving. It is important, because when the brain sends messages it have to go through the nerves so then our body can move. If there were no nerves in our body we would have to just stay still. We can survive without nerves but we will have a hard time, because we cannot move our body. <span style="background-color: transparent; color: #000000; font-family: 굴림; font-size: 16px; text-align: left; text-decoration: none; text-indent: 11.25pt; vertical-align: auto;"> <span style="background-color: transparent; color: #000000; font-family: 'Calibri','sans-serif'; font-size: 16px; text-align: left; text-decoration: none; vertical-align: auto;">We can save the brain by doing safety things like try not to bang each other head, try not to sleep late, and don’t play rough, because when you play rough and you can get your head hit so hard on the ground that your brain gets damage. Brain can be important to us, because brain is the boss of our body and it controls our body so it is important. We have to sleep on time, because when you sleep late your brain will get sicker. It is not good if you don’t sleep well, because then your brain will get more harder to organize the things that we know new things.