During marathon, we sometimes get painful contractions of leg muscles due to the accumulation of one of the following in leg muscles. This is: (a) carbon dioxide (b) alcohol (c) lactose (d) lactic acid
BiologyClass 10ICSEAnswered 27 Mar 2026
Answer
- lactic acid
The anaerobic respiration by the muscles brings about a partial breakdown of glucose to form lactic acid.
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