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BiologyCLASS 10ICSE

answered 27 Mar 2026

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

A.VERIFIED ANSWERfact-checked by tutors

lactic acid

The anaerobic respiration by the muscles brings about a partial breakdown of glucose to form lactic acid.

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