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  • Tick the correct answer: During heavy exercise, we get cramps in the legs due to the accumulation of

5. Tick the correct answer:

(b) During heavy exercise, we get cramps in the legs due to the accumulation of

(i) carbon dioxide

(ii) lactic acid

(iii) alcohol

(iv) water

Answers (1)

best_answer

(b) During heavy exercise, we get cramps in the legs due to the accumulation of (ii) lactic acid

During heavy exercise, muscle cells respire anaerobically because oxygen is used faster as compared to its supply by the blood. The partial breakdown of glucose produces lactic acid whose accumulation causes muscle cramps. Therefore, lactic acid accumulates in the legs after heavy exercise, leading to cramps.

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HARSH KANKARIA

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