NervousSystem
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Created by:
sharkboy1955 on February 27, 2012
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11 terms
Terms | Definitions |
|---|---|
 nervous system | network of tissues that sends and carries messages to all areas of the body |
| 3 parts of nervous system | brain, spinal cord, nerves |
| brain | is like main computer; the control center of body; protected by skull |
| spinal cord | is like cable connected to computer carrying data back & forth from brain to nerves all over the body; protected inside backbones |
| nerves | carry messages between spinal cord and all parts of body; millions of these in our body |
| brain stem | connects brain to spinal cord; controls involuntary movement like heart beat & breathing |
| involuntary | movements we cannot control, like heart beats & breathing |
| neurons | nerve cells that carry messages |
| motor nerves | work with muscles to make you move |
| sensory nerves | bring messages from senses (hear, see, taste, smell, touch) to brain |
| bundled | grouped together; nerves on spine are bundled |
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