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| 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 |
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| 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 |
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| The two halves of the cerebrum |
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| controls the right side of your body |
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| controls the left side of your body |
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| Located at the back of your head, this part of your brain controls balance and coordination. |
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| 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. |
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| Located below the thalamus, this bundle of nerves controls your emotions and keeps your body at the correct temperature. |
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| send messages from your senses to your brain |
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| send messages from your brain to your muscles. |
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| the short branches that shoot out of neurons. These branches receive messages from other neurons. |
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| the fat branch that shoots out of neurons. It carries messages to other neurons. |
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| 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. |
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| emergency messages from the senses that only go as far as your spinal cord |
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| drugs that changes the messages in your brains and causes you to imagine thing that aren't there |
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| drugs that slow down the messages in the brain and make people sleepy or depressed |
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| drugs that speed up the messages in the brain and make you jumpy |
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