Multiple sclerosis is a nervous system disorder that arises when white blood cells mistakenly attack and destroy ____.

A) neurons
B) ganglia
C) myelin
D) neuroglial cells
E) nerves

Multiple Sclerosis

A chronic autoimmune disease where the immune system attacks the protective covering of nerves, disrupting communication between the brain and the rest of the body.

White Blood Cells

Cells of the immune system involved in defending the body against both infectious disease and foreign materials.

Myelin

Fatty material produced by neuroglial cells; insulates axons and thus speeds conduction of action potentials.