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one of the functions of the nervous system, nerves gather information from inside & outside the body
one of the functions of the nervous system, interpretation of the information (where the car is going, how fast)
one of the functions of the nervous system, motor nerves convey information from the CNS to the muscles & glands (tells us to get out of the way of the car)
vary in size & shape, CAN NOT undergo mitosis and CAN NOT regenerate or be repaired when damaged
the resting state of the neuron, the inside of the neuron is more negatively charged than the outside
during the resting state K+ leaks out of the neuron, this loss of (+) ions results in an overall (-) charge inside the neuron & an overall (+) on the outside
when stimulated it allows Na+ ions to enter into the neuron, results in an overall (+) charge inside the neuron & overall (-) charge outside
returns to it's resting state, stops the diffusion of Na+ in & allows K+ ions to leave, overall (-) inside and (+) outside
chemical substances that allow for transmission of signal from one neuron to another
connects the right & left hemispheres of the cerebrum, allows the two hemispheres to communicate with each other
transmits information to all of the other parts of the brain, plays a role in breathing rate & rhythm
space between the arachnoid and pia mater, CSF flows and cushions the brain and spinal cord
protects the brain and spinal cord from shock, plays a role in homeostasis & metabolism of the CNS
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