Question

hint there are 6 characters in the answer marlee has just been diagnosed with multiple sclerosis. as the disease progresses, communication to some of her muscles may slow down, and she could lose some muscle control as a result of the degeneration of the ______ sheath

Explanation:

Multiple sclerosis is an autoimmune disease that affects the myelin sheath, which insulates nerve fibers. Degeneration of the myelin sheath can lead to problems with muscle - control communication.

Answer:

myelin