Question

select the correct answer.select the correct answer. 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.

Explanation:

Cardiorespiratory fitness relates to the heart and lungs' ability to supply oxygen. Option A: Mental stress reduction is a secondary benefit. Option B: Waste removal is not the greatest benefit. Option C: Activating skeletal muscles/skin isn't the main benefit. Option D: Improved cardiorespiratory fitness strengthens the heart, allowing it to pump more efficiently, thus increasing blood flow (carrying oxygen/nutrients) throughout the body, which is a core, primary benefit.

Answer:

D. It increases blood flow throughout the body.