15-2 Divisions

Term Definition
Central Nervous system The division of the nervous system consisting of the brain and spinal cord.
Peripheral Nervous system The division of the nervous system consisting of all of the nerves.
brain The part of the nervous system that controls
spinal cord The thick column of nerve tissue that links the brain to most of the nerve tissue that peripheral nervous system.
brain stem The part of the brain that lies between the cerebellum and spinal cord, and controls the body's involuntary actions.
somatic nervous system The group of nerves in the peripheral nervous system that controls voluntary actions.
autonomic nervous sytem the group of the nerves in the peripheral nervous system that controls.
concussion A bruiselike injury of the brain that occurs when the soft tissue of the brain collides against the skull

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