Under what conditions does anaerobic respiration take place in humans?

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Solution

Anaerobic respiration takes place in the body when oxygen supply is not enough for the complete breakdown of glucose to meet our energy needs. During strenuous physical activities such as running, heavy weightlifting or cycling, our muscles work harder and require a lot of energy. But as the supply of oxygen is limited, our muscles switch to anaerobic respiration to produce more energy.

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