Biology for IGCSE & O level - Respiration (Section 3 - No. 36)
During strenuous exercise, why does the body switch to anaerobic respiration in muscle cells?
To increase the rate of glucose uptake.
To produce more carbon dioxide.
To meet the energy demands when oxygen supply is limited.
To prevent the buildup of lactic acid.
Explanation
Anaerobic respiration occurs when oxygen supply is insufficient.
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