D. Organs and muscles require more blood under stretch.
Just think about it, when you go on a run or do something physical your blood levels increase. Exercising is all about getting your pulse up, because that's how you measure intensity.
Answer:
option c is the right ans
She could have Alzheimer's. This diesease slows memory, thinking, and reasoning skills.
Other problems may include: aging, type of dementia, emotional problems.