Assertion: extra oxygen consumption is called oxygen dept
reason: extra oxygen is required to oxidize accumulated lactic acid produced during strenuous exercise
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Solution
An Oxygen Debt is The amount of extra oxygen needed by muscle tissue to oxidise lactic acid following exercise. During vigorous exercise, the body needs a lot more energy, and therefore has to get more oxygen into the muscle tissue where energy is needed. Therefore it has to breathe deeper and faster. therefore both the assertion and reason is right