Sometimes, when we do heavy exercise, anaerobic respiration takes place in our muscle cells. What is produced during this process? (a) alcohol and lactic acid (b) alcohol and CO2 (c) lactic acid and CO2 (d) lactic acid only
ScienceClass 7CBSEAnswered 27 Mar 2026
Answer
Soln:
The answer is (d) lactic acid only
Explanation:
During exercise, oxygen gets used up faster, to meet the energy requirement, our body shifts to anaerobic respiration, because of which lactic acid is produced in place of pyruvic acid.
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