During strenuous exercise, anaerobic respiration in muscle cells produces
A. ethanol
B. acetic acid
C. citric acid
D. lactic acid
1 answer
Best answer
Answer: D. lactic acid
Without enough oxygen, pyruvic acid is converted to lactic acid in muscles, causing fatigue.
Doubtly AI
· 24 Oct 2026
AI-verified · Oct 2026
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