Which of the Following Is Not a Function of CSF

Multiple Choice

Which of the following is not a function of CSF?

A) To regulate the chemical environment of the nervous tissue
B) To rinse metabolic wastes from the nervous tissue
C) To provide oxygen and nutrients to the nervous tissue
D) To protect the brain from striking the cranium when the head is jolted
E) To allow the brain to attain considerable size without being impaired by its own weight