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Brain Vocabulary
Great Body Shop brainstorms vocabulary
18
Science
5th Grade
03/12/2006

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Cards

Term
cerebrum
Definition
the smart part of your brain. This wrinkled, pinkish-gray matter is where your thoughts and speech go on. It's here that you judge, solve problems and make decisions
Term
brainstem
Definition
this part of your brain is just three inches long, but it takes care of all the body jobs you never think about. It tells your heart to pump blood, your stomach to digest food, and your sweat glands to sweat when you're hot
Term
hemispheres
Definition
The two halves of the cerebrum
Term
left hemisphere
Definition
controls the right side of your body
Term
right hemisphere
Definition
controls the left side of your body
Term
cerebellum
Definition
Located at the back of your head, this part of your brain controls balance and coordination.
Term
thalamus
Definition
this part is deep inside the cerebrum. It acts like a miniature switchboard. It sends and receives messages between your brain and your body. It also lets you forget unimportant information.
Term
hypothalamus
Definition
Located below the thalamus, this bundle of nerves controls your emotions and keeps your body at the correct temperature.
Term
sensory nerves
Definition
send messages from your senses to your brain
Term
motor nerves
Definition
send messages from your brain to your muscles.
Term
neurons
Definition
nerve cells
Term
dendrites
Definition
the short branches that shoot out of neurons. These branches receive messages from other neurons.
Term
axon
Definition
the fat branch that shoots out of neurons. It carries messages to other neurons.
Term
spinal cord
Definition
Your body's nerve center is a fat bundle of many nerves that runs straight down your back. From here, nerves branch out all over your body.
Term
reflex actions
Definition
emergency messages from the senses that only go as far as your spinal cord
Term
hallucinogens
Definition
drugs that changes the messages in your brains and causes you to imagine thing that aren't there
Term
sedatives
Definition
drugs that slow down the messages in the brain and make people sleepy or depressed
Term
stimulants
Definition
drugs that speed up the messages in the brain and make you jumpy
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