The brain floats in CSF so that
A) it is cushioned to protect it from impact or sudden changes in movement.
B) it can efficiently eliminate wastes from the brain into the CSF drainage.
C) it can receive oxygen and glucose from the CSF bathing it.
D) to both eliminate wastes and take in oxygen and glucose.

Question

Quizplus · Accepted Answer

The brain is surrounded by cerebrospinal fluid (CSF) which acts as a cushion to protect it from impact or sudden changes in movement. This helps prevent damage to the delicate structures of the brain. While CSF does play a role in eliminating waste products and supplying nutrients to the brain, its primary function is to act as a shock absorber.

The Brain Floats in CSF So That