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Chapter 2: The Brain and Behavior Pt 2
n/a rest of the nervous system
12
Psychology
12th Grade
09/12/2013

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Term
nerves
Definition
large groups of neurons
Term
myelin
Definition
surrounds the axons, fatty coating
Term
neurilemma
Definition
also surrounds the axons, helps nerves repair themselves
Term
central nervous system
Definition
brain and spinal cord
Term
spinal nerves
Definition
carry sensory & motor messages in and out of spinal cord
Term
cranial nerves
Definition
don't go through spinal cord
Term
reflex arc
Definition
don't need a brain for certain movement
Term
peripheral nervous system
Definition
all parts of the nervous system outside of the brain & spinal cord
Term
somatic nervous system
Definition
nerves that link spinal cord with body & sense organs
Term
autonomic nervous system
Definition
carry info to and from internal organs & glands
Term
sympathetic branch
Definition
arouses the body
Term
parasympathetic branch
Definition
quiets the body
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