The function of the myelin sheath is to:
A) help neural impulses flow quickly.
B) allow the skull bones to close.
C) provide a barrier between the brain and the body.
D) get rid of the neurons a person does not need.

Question

Quizplus · Accepted Answer

The myelin sheath is a fatty coating that surrounds axons, which are the long, thin parts of neurons that carry nerve impulses. The myelin sheath acts as an insulator, allowing electrical impulses to flow quickly along the axon, which speeds up communication between neurons. Without the myelin sheath, nerve impulses would move much more slowly.

The Function of the Myelin Sheath Is To