The muscle "burn" that you feel when doing strenuous activity (sprints for example) is caused by a buildup of lactic acid in the muscle tissue of your body. explain this phenomenon in the context of cellular respiration and fermentation.

During strenuous exercise, fast source of energy is usually needed to carry out the needed exercise. The body provide for this need by stimulating anaerobic oxidation of glucose in the muscles. The process produce 2 ATP per one glucose molecule. During this process latic acid and carbon dioxide are also produced. The latic acid produced accumulate as time goes on and it is the one responsible for muscle burn that is usually experience by athletes during strenuous exercise.

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