Cerebrospinal fluid
A)is secreted by ependymal cells.
B)is formed by a passive process.
C)is normally produced twice as fast as it is removed.
D)has almost the same composition as blood plasma.
E)is formed by a passive process and has almost the same composition as blood plasma.

Question

Quizplus · Accepted Answer

Cerebrospinal fluid is secreted by specialized cells called ependymal cells, which line the ventricles of the brain.

Cerebrospinal Fluid