Select the statement that correctly describes multiple sclerosis.
a. this fatal disease leads to severe and progressive memory loss.
b. this fatal disease attacks the peripheral nervous system.
c. this nonfatal disease is characterized by severe memory loss.
d. this nonfatal disease disrupts the central nervous system (cns).

D

Explanation:

Multiple sclerosis (also known as MS) is degenerative brain disease that targets the central nervous system. It affects the brain and spinal chord by not allowing brain signals to react the muscle fibers.

It is only fatal in extreme cases, however for the majority it is non-fatal.

Symptoms can include: pain, cramps, fatigue, dizziness, pins and needles.

what effect does exercise have on the nervous system?

the answer is c.