When a motor neuron fires,all of the muscle fibers of its motor
A) unit contract together.
B) pool contract together.
C) segment contract together.
D) equivalence contract together.
E) feedback contract together.

Question

Quizplus · Accepted Answer

When a motor neuron fires, all of the muscle fibers of its motor unit contract together. This is known as the all-or-none principle, meaning that all the fibers in the motor unit will either be activated or not activated based on the firing of the neuron.

When a Motor Neuron Fires,all of the Muscle Fibers of Its