Answered

A motor unit consists of:
a) Many muscle fibers
b) A single muscle fiber
c) A motor neuron and the muscle fibers it stimulates
d) An entire skeletal muscle



Answer :

GinnyAnswer

Final answer:

A motor unit consists of a motor neuron and the muscle fibers it stimulates, with variations in size, recruitment, and power.


Explanation:

Motor Units

A motor unit consists of a motor neuron and the muscle fibers it stimulates. Each muscle fiber is innervated by a single motor neuron, and the group of muscle fibers innervated by one motor neuron is called a motor unit. Motor units vary in size, recruitment, and power.


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