Question

why does our muscle start to cramp during excessive exercise​

Answer 1

Answer:

Due to anaerobic respiration

Explanation:

When we do excessive exercise due to lack of oxygen lactic acid is produce in our muscles which cause cramps

Answer 2

Hey mate here is your answer!!!

Muscle cramp is an involuntary sudden contraction of muscle. ... After a strenuous exercise muscles experience lack of oxygen. In the absence or insufficiency of oxygen, they respire anaerobically thereby producing lactic acid. The accumulation of lactic acid causes cramps in muscles.

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