BI-1098
Anaerobic respiration
Biology · Secondary 3 · Hard · Anaerobic respiration
A student cycles gently for 10 minutes and then sprints hard for 1 minute. During the sprint, the rate of lactic acid production in the leg muscles increases. Which statement explains this?
- Less glucose is supplied to the muscles, so lactic acid forms instead.
- Oxygen supply cannot meet demand, so more anaerobic respiration occurs.
- The muscles stop respiring aerobically and stop using glucose.
- Carbon dioxide supply to the muscles increases, forming lactic acid.
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