Question : What accumulates in the muscles after continuous strenuous physical exercise as a result of temporary anaerobic respiration that causes muscular fatigue ?
Option 1: ATP
Option 2: Lactic acid
Option 3: Ethyl alcohol
Option 4: Carbon dioxide
Correct Answer: Lactic acid
Solution : The correct answer is Lactic Acid.
Lactic acid builds up in the muscles of the human body as a result of strenuous exercise or muscular exhaustion. It is generated in the human body by the anaerobic respiration of carbohydrates. It is a byproduct of glycolysis that produces muscular soreness, cramps, bodily aches, and muscle heaviness.
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