The key purpose of myelin is to
A) activate the sympathetic nervous system.
B) provide electrical insulation.
C) trigger muscle cells to fire.
D) facilitate the reuptake of neurotransmitters.

Question

Quizplus · Accepted Answer

Myelin provides electrical insulation for neurons, allowing for faster and more efficient transmission of nerve impulses. It does not activate the sympathetic nervous system, trigger muscle cells to fire, or facilitate the reuptake of neurotransmitters.

The Key Purpose of Myelin Is to