Daytime fatigue from mild dehydration occurs in approximately % of americans. 95 % 85 % 75 % 65 %

The answer is 75% 
It is a medical estate in which poor blood runs to the brain results in cell death.a stroke comes off when the blood supply to your brain is interrupted or reduced. This strip your brain of oxygen and nutrients,

Answer(d) they all send signals from the brain to the body through long axons in the vertebral column;