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

Question

Quizplus · Accepted Answer

Myelin performs an insulating function in the nervous system, similar to the plastic tube protecting electrical wires. Glial cells, terminal buds, and dendrites are all components of the nervous system but do not perform the same insulating function as myelin.

Electrical Wires Are Generally Protected by a Tube of Plastic