The purpose of the myelin that surrounds the axon is to
A)keep nerve cells continually active.
B)help electrical currents cross the synapse completely.
C)repair neurons within the peripheral nervous system.
D)speed the transmission of an impulse down the axon.

Question

Quizplus · Accepted Answer

Myelin sheaths act as insulators around the axon, allowing electrical impulses to transmit quickly and efficiently along the nerve cells.

The Purpose of the Myelin That Surrounds the Axon Is