Lactic acid and inorganic phosphate are the molecules that build up in muscles during anaerobic respiration, leading to discomfort or dysfunction.
Lactic acid and inorganic phosphate are the two types of molecules that build up in the muscles during anaerobic respiration, causing them to ache or not function properly. Anaerobic respiration occurs in muscle cells during intense exercise when oxygen is insufficient, leading to the accumulation of lactic acid and inorganic phosphate.
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