Myelin is a fatty substance that
A) slows action potentials.
B) is wrapped around neuroglial cells.
C) increases the speed of action potentials.
D) is found only surrounding neurons of the central nervous system.
E) is true of a and d only.

Question

Quizplus · Accepted Answer

Myelin increases the speed of action potentials by insulating the axon and allowing the electrical signal to jump from node to node along the myelinated portion of the axon.

Myelin Is a Fatty Substance That