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Somatic nervous system
voluntary motor movement, conscious
Peripheral nervous system
comprises of neurons, carries info to and from the CNS
Sympathetic nervous system
prepares body for action and threat, increases visceral muscles
parasympathetic
balances body are bodily arousal
autonomic nervous system
does not require conscious control
sympathetic nervous system reactions
increase hr, increase blood flow, increase glucose, bladder and intestines relax
Parasympathetic nervous system reactions
slows hr, decrease glucose. inhibits hormones
Pruning
the elimination of unuse
Note
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