Question

During heavy exercise, we get muscle cramps due to accumulation of *
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Answer 1

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Answer:

During heavy exercise, we get muscle cramps due to accumulation of

lactic acid

Answer 2

Answer:

During heavy exercise, the demand for energy is high but the supply of oxygen to produce energy is limited. Therefore, anaerobic respiration takes places in the muscles cells to fulfil the demand for energy. This anaerobic breakdown of glucose leads to the formation of lactic acid in muscles. The accumulation of lactic acid in muscles leads to muscle cramps.

HenceDuring heavy exercise, we get cramps in the legs due to the accumulation of Lactic acid.