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.

The greatest benefit from cardiorespiratory fitness is received through the activation of skeletal muscles and skin tissue. - C.

This is the correct answer and the best benefit of cardiorespiratory fitness because it improves our bodily functioning and helps us maintaining a young body. 

True my friend : ) good luck

Don't pollution air circulation. wasting pollutionclean in your surroundings