Why do cells allocate valuable energy to drive the sodium-potassium pump?
A. To convert chemical energy for use
B. To produce glucose
C. To maintain homeostasis
D. To test membrane permeability

C) To maintain homeostasis

Explanation:

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.

i am going to guess that it is co2.