Answer: Option A.
Ability of the cardiovascular and respiratory systems to supply oxygen to muscles.
Explanation:Cardio
Cardiorespiratory fitness is the ability of the cardiovascular and respiratory systems to supply oxygen to the muscles during exercises or physical activities.
It is very important because it bring about wellness to the body.
It reduce the risk of heart diseases, diabetes, strokes and cancer. It also improve lung and heart condition.
Examples of cardiorespiratory fitness are running, jogging, swimming, biking, dancing e.t.c