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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
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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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