People have three million nerves {motor nerve} {motor neuron} to muscles and glands. Alpha motor neurons can initiate movement by stimulating muscles. Gamma motor neurons can control muscle length/tension relationships by exciting nearby alpha motor neurons and stimulating muscle sensors. Internuncial neurons can allow reciprocal inhibition.
input
Cerebrum, basal ganglia, brainstem, and cerebellum act on motor neurons. Impulse excitatory effect on motor neuron lasts 5 milliseconds.
regeneration
Motor nerves can regenerate connections to muscles.
Biological Sciences>Zoology>Organ>Nerve>Neuron>Kinds
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Date Modified: 2022.0224