Glial cells
A)Help to form the blood-brain barrier
B)Outnumber neurons in the central nervous system
C)Form the myelin sheath of neuronal axons
D)Both help to form the blood-brain barrier and outnumber neurons in the central nervous system are correct
E)All of the choices are correct

Question

Quizplus · Accepted Answer

Glial cells perform multiple functions: they help form the blood-brain barrier, outnumber neurons, and form the myelin sheath around axons.

Glial Cells