Electrical wires are generally protected by a coating of plastic. A similar insulating function is performed in the nervous system by:
A)myelin
B)glial cells
C)terminal buttons
D)somas

Question

Quizplus · Accepted Answer

Myelin is a fatty substance that surrounds the axons of many neurons, providing electrical insulation and increasing the speed of nerve impulse transmission, similar to how plastic insulates electrical wires.

Electrical Wires Are Generally Protected by a Coating of Plastic