Question
Steps to muscle stretch reflex (knee jerk)
____
____
____
Answer
Steps to muscle stretch reflex (knee jerk)
somatosensory neurons (afferent) in muscle spindles synapse in spinal cord after stimulus
axon sent back out LMN (efferent) to contract muscle
muscle on top of leg contract (quadricep), muscle on bottom of leg inhibited (hamstring)
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The central nervous system includes ____ and ____
The peripheral nervous system includes ____, ____, and ____
The basic functions of the nervous system include ____, ____, and ____
The higher functions of the nervous system include ____, ____, and ____
____ are efferent neurons of the PNS that go from the spinal cord to a muscle to control it
Lower motor neurons (LMN) are ____