BI-1092
Oxygen debt
Biology · Secondary 3 · Medium · Oxygen debt
During vigorous exercise, a student’s breathing rate increases. Which statement best explains how this helps to reduce oxygen debt after exercise?
- More oxygen is taken in to oxidise lactic acid to carbon dioxide and water.
- More carbon dioxide is taken in to convert lactic acid into glucose.
- Less oxygen is taken in so muscles continue anaerobic respiration.
- Less carbon dioxide is removed so blood becomes more acidic.
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