A _____ contains a somatic motor neuron and all of the muscle cells that it innervates.
A)sarcolemma
B)motor end plate
C)sarcomere
D)motor unit

Question

Quizplus · Accepted Answer

A motor unit is composed of a somatic motor neuron and all the muscle fibers (cells) it innervates. When the motor neuron fires, all the muscle fibers in the motor unit contract simultaneously. The sarcolemma is the plasma membrane of a skeletal muscle fiber. The motor end plate is the specialized portion of the sarcolemma near the synapse. Sarcomere is the smallest contractile unit of a muscle fiber.

A _____ Contains a Somatic Motor Neuron and All of the Muscle