Answer:
Because if it's not stabalized, it will fall on something.
Explanation:
D. its release is stimulated by the pituitary gland.
Active aerobics are aerobic activities that are of enough intensity to elevate the heart into the target zone, active aerobics are higher in internsity than lifestyle activities they are also more vigorous and are good for building cardiovascular fitness and providing health benefits
Your muscles. Some muscles are “voluntary.” They
are the ones you control, the ones that let you exercise—or
relax. Some muscles are “involuntary.” They just do their
job with no effort on your part—like your heart muscles.
