Which of the following is not a benefit of cardiorespiratory fitness?
a. more blood is pumped through the body.
b. the risk of cardiovascular disease is decreased.
c. longer durations of large muscle exercises are possible.
d. the efficiency of the respiratory system increases

The answer is letter C.

All the other choices are benefits of having cardiorespiratory fitness. Cardiorespiratory fitness refers to the ability of the heart and lungs to work together in providing the body with the ample oxygen to survive. When a person has good cardiorespiratory fitness, blood is easily pumped by the heart throughout the whole body while the lungs easily turn unoxygenated blood to oxygenated blood. Developing this level of fitness contributes highly to the prevention of many diseases (e.g. heart disease, stroke).

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