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Question
Lack of oxygen in muscles often leads to cramps in the legs of sprinters. This is due to the conversion of pyruvate to:
Options
Ethanol
Carbon dioxide
Acetic acid
Lactic acid
Solution
Lactic acid
Lack of oxygen in muscles causes the accumulation of lactic acid, due to anaerobic respiration. Accumulation of lactic acid leads to cramps in the legs of sprinters.
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