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Human BodyHuman Body
By: Joe NantzBy: Joe Nantz
The BrainThe Brain
The BrainThe Brain
How does the brain work?How does the brain work? The brain is made up of 100 billion The brain is made up of 100 billion
neurons.neurons. There are a lot of parts that make up the There are a lot of parts that make up the
brain. I am going to tell you about some brain. I am going to tell you about some of them. of them.
Cerebrum Cerebrum
What is the biggest part of the brain?What is the biggest part of the brain? 85% of the brain is the cerebrum.85% of the brain is the cerebrum. It helps us think.It helps us think. It also controls voluntary muscles (e.g., It also controls voluntary muscles (e.g.,
swinging a bat).swinging a bat). It controls our short and long term memory.It controls our short and long term memory. It has two halves. It has two halves.
Cerebellum Cerebellum
What part of the brain helps us have What part of the brain helps us have balance?balance?
It is 1/8 the size of the cerebrum.It is 1/8 the size of the cerebrum. It controls balance, movement, and It controls balance, movement, and
coordination.coordination.
Brain StemBrain Stem
What part of the brain helps us breath?What part of the brain helps us breath? The brain stem helps us do different The brain stem helps us do different
activities.activities. It also helps with breathing air, digesting It also helps with breathing air, digesting
food, and circulating blood.food, and circulating blood. It controls our involuntary muscles (e.g., It controls our involuntary muscles (e.g.,
pumping blood to our heart when pumping blood to our heart when running).running).
Pituitary Gland Pituitary Gland
How do some people grow faster than How do some people grow faster than others?others?
It is very small. It is about the size of a It is very small. It is about the size of a pea.pea.
It releases hormones that help us grow.It releases hormones that help us grow. It keeps our metabolism going so we stay It keeps our metabolism going so we stay
alive.alive.
HypothalamusHypothalamus What part of the brain controls our body What part of the brain controls our body
temperature? temperature? It’s our brains thermostat.It’s our brains thermostat. It keeps our body at 98.6 Fahrenheit when It keeps our body at 98.6 Fahrenheit when
we are healthy.we are healthy. When we are hot we sweat.When we are hot we sweat. When we are cold we start to shiver.When we are cold we start to shiver.
Spinal CordSpinal Cord
What makes our spinal cord so What makes our spinal cord so important?important?
It’s has a long bundle of nerves in our It’s has a long bundle of nerves in our spinal cord.spinal cord.
It sends messages from our brain to our It sends messages from our brain to our body.body.
It helps us learn how to snow board It helps us learn how to snow board because of the neurons.because of the neurons.
EmotionsEmotions
Why do we have emotions?Why do we have emotions? Our brain has cells on each side called Our brain has cells on each side called
the amygdala (uh-mig-duh-luh).the amygdala (uh-mig-duh-luh). The area looks like an almond. The area looks like an almond. It’s normal to feel all kinds of emotions.It’s normal to feel all kinds of emotions.
Fun FactsFun Facts
What can we do to keep our brain healthy?What can we do to keep our brain healthy? Eat healthy.Eat healthy. Exercise.Exercise. Wear a helmet.Wear a helmet. Don’t drink alcohol or do drugs.Don’t drink alcohol or do drugs. Challenge your brain.Challenge your brain.
The LungsThe Lungs
The LungsThe Lungs
What is the organ that helps us breathe?What is the organ that helps us breathe? The lungs are the biggest organs in the human The lungs are the biggest organs in the human
body.body. The lungs are not the same size. The lung on The lungs are not the same size. The lung on
the left side is smaller than the one on the right the left side is smaller than the one on the right side.side.
Left lung is smaller, where our heart is.Left lung is smaller, where our heart is. They are protected by our rib cage. We have They are protected by our rib cage. We have
12 sets of ribs.12 sets of ribs.
HeartHeart
The HeartThe Heart
What muscle in our body is about the size of What muscle in our body is about the size of your fist?your fist?
The heart is a muscle.The heart is a muscle. One way we know our heart is working is by One way we know our heart is working is by
our pulse.our pulse. The places to find our pulse is on our wrist and The places to find our pulse is on our wrist and
neck.neck. If we are resting our pulse will be between 70 If we are resting our pulse will be between 70
and 100 beats per minute.and 100 beats per minute.
The KidneyThe Kidney
The KidneysThe Kidneys
What do the kidneys do?What do the kidneys do? It produces hormones that control blood It produces hormones that control blood
pressure, levels of water, salts, and pressure, levels of water, salts, and minerals in our body.minerals in our body.
They help get waste out of our blood.They help get waste out of our blood. The waste gets out of our body when we The waste gets out of our body when we
urinate.urinate. We have two kidneys.We have two kidneys.
BonesBones
BonesBones
What do bones do?What do bones do? Bones provide support, protection, and Bones provide support, protection, and
movement for our body.movement for our body. Every organ in our body is protected by Every organ in our body is protected by
our bones.our bones. Bones support our body and help us stand Bones support our body and help us stand
up.up. Calcium makes our bones strong.Calcium makes our bones strong.
BibliographyBibliography
Parker, Steven. Parker, Steven. Human Body. Human Body. New York: New York: NY, DK Publishing, Inc,1993.NY, DK Publishing, Inc,1993.
Ballard, Carol.Ballard, Carol. The Skeleton and The Skeleton and Muscular System.Muscular System. Austin: TX, Raintree Austin: TX, Raintree Steck-Vaughn Publishers,1998.Steck-Vaughn Publishers,1998.
Woodworth, Karen. “Amazon.ca.” May, Woodworth, Karen. “Amazon.ca.” May, 2004, January 20102004, January 2010
Kids Health.org Kids Health.org