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प्रश्न
During heavy exercise, we get cramps in the legs due to the accumulation of ______.
विकल्प
carbon dioxide
lactic acid
alcohol
water
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उत्तर
During heavy exercise, we get cramps in the legs due to the accumulation of lactic acid.
Explanation:
Lactic acid builds up in muscles during intense exercise when oxygen levels are low, leading to cramps.
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