Respuesta :
Cardiorespiratory endurance is a measurement of how well your heart, lungs and muscles work together to keep your body active over an extended period of time. Exercisers can improve cardiorespiratory endurance by participating in a program of regular aerobic exercise.
The answer is A. the ability of your heart and lungs to work during prolonged exercise.
Hope this helps! :)
Hope this helps! :)