The brain and spinal cord are covered by the protective ____.

A) ventricles
B) meninges
C) cerebrospinal sheaths
D) myelin
E) endothelium

Spinal Cord

A long, thin, tubular bundle of nervous tissue and support cells that extends from the brain, running down the back, and acts as the main pathway for information connecting the brain and peripheral nervous system.

Meninges

Layers of connective tissue that enclose the brain and spinal cord.

Cerebrospinal Sheaths

Protective layers that surround the brain and spinal cord, consisting of the dura mater, arachnoid mater, and pia mater, collectively known as the meninges.