Question

A motor unit is . . .A) a group of related motor neuronsB) a neuron and all the muscle fibers it innervatesC) the muscle fibers controlled by a neuronD) a muscle AND all the neurons innervating itE) a single motor neuron

Answer 1

The correct answer is (B) A motor unit is a neuron and all the muscle fibres it innervates

Explanation:

A motor unit includes the neuromuscular junctions between the neuron and the fibres.

Internal link: