What is the greatest benefit the body receives from cardiorespiratory fitness?
a.)it reduces the amount of mental stress.
b.)it increases waste removal from the body.
c.)it activates skeletal muscles and skin tissue.
d.)it increases blood flow throughout the body.

Correct answer choice is:

D.) It increases blood flow throughout the body.

Cardiorespiratory fitness refers to the ability of the body's circulatory and metabolic process systems to provide fuel and element throughout the sustained physical activity. Exercises like running, jogging, and swimming are most useful for the blood flow throughout the body.