The human brain is essentially folded into the skull; about two-thirds of the of it is hidden within the folds (sulci), thereby allowing
A) greater protection of the surface of the brain.
B) increased thermoregulation of the brain.
C) a larger surface area to fit into the cranial space.
D) faster neural transmission.

Question

Quizplus · Accepted Answer

The folding (sulci) of the brain allows for a larger surface area to fit into the cranial space, which is necessary since the brain is a large organ and needs to be contained within the limited space of the skull.

The Human Brain Is Essentially Folded into the Skull; About