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Ch. 12 Sec. 1 and 2

Mrs. Schoonover.....Nervous system

any change or signal in the environment that can cause an organism to react stimulus
what your body does in reaction to a stimulus response
nerve cells neuron
the message that the neuron carries nerve impulse
carry impulses tword the neurons cell body dendrite
carries impulses away from the cell body axon
a bundle of nerve fibers nerve
picks up stimuli from the internal or external environment and turns it into a nerve impulse sensory neuron
a neuron that carries nerve impulses from one nerve to another interneuron
sends an impulse to a muscle or gland motor neuron
the junction where one neuron can transfer an impulse to another structure synapse
consists of the brain and spinal cord central nervous system
includes all the nerves located outside the central nervous system perpheral nervous system
controls most functions of the body brain
the thick column of nervous tissue that links the brain to most of the nerves in the perpheral nervous systen spinal chord
interprets input from the senses, controls movement, and carries out mental processes cerebrum
cordinates the actions of your muscles and helps you keep your balance cerebellum
controls bodys in voluntary actions brain stem
voluntary actions somatic nervous system
involuntary actions autonomic nervous system
an automatic response reflex
a bruise like injury on the brain concussion
Created by: kaceykatie1234