Question

multiple choice question
the glial cells that line cavities of the brain and spinal cord and secrete and circulate cerebrospinal fluid are ______.
astrocytes
satellite cells
ependymal cells
microglial cells

Explanation:

Ependymal cells line the cavities of the brain and spinal cord and are responsible for secreting and circulating cerebrospinal fluid. Astrocytes have other functions like providing support and regulating the chemical environment. Satellite cells are associated with peripheral nerve cells. Microglial cells are the immune - cells of the central nervous system.

Answer:

C. ependymal cells