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A&P I CNS-PNS

Stack #20513

QuestionAnswer
the brain has ___ pairs of cranial nerves 12
the spinal cord has ___ pairs of spinal nerves 31
job of sensory receptors detect internal and external stimuli
integrative function processing of info
sensory (affeent) carry sensory info. toward brain and spinal cord
motor (efferent) function carry motor info. from brain/ spinal to respective nerves
CNS central nervous system- brain &spinal cord
PNS everything but CNS
SNS somatic nervous system- transmits signal to skeletal muscle only
ANS autonomic nervous system-
3 types o f receptors visceral (ANS), skeletal (SNS), special sensors
nervous tissue consists of neurons and neuroglia
neurons excitable cells, don't multiply or divide, found in CNS
Created by: ShellyA&P