Question

what is oxygen debt?
o amount of oxygen breathed in with each breath during intense exercise
o the amount of oxygen needed to restore the bodys resting state after strenuous exercise
o the amount of oxygen used to burn one molecule of glucose
o the minimum amount of oxygen needed by a muscle fiber to maintain contraction during strenuous exercise
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Explanation:

Oxygen debt is the extra oxygen the body needs after strenuous exercise to return to its normal, resting state. This is because during intense physical activity, the body uses anaerobic respiration in addition to aerobic respiration, and oxygen debt helps to clear lactic - acid and restore normal physiological functions.

Answer:

The amount of oxygen needed to restore the body’s resting state after strenuous exercise