Astrocytes Help Maintain the Central Nervous System (CNS)extracellular Milieu By

Astrocytes help maintain the central nervous system (CNS) extracellular milieu by:

A) Taking up and redistributing excess K⁺ and other ions.
B) Wrapping extensions of their cytoplasm around axons.
C) Phagocytosing damaged CNS neurons.
D) Lining the ventricular surface of the CNS.
E) Differentiating into neurons in response to injury.