Which disorder causes damage to the protective coating on some of the nerves found in the nervous system?

a.
meningitis

b.
polio

c.
multiple sclerosis

d.
fetal alcohol syndrome

multiple sclerosis

Explanation:

3.02 Quiz: Your Nervous System

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.