BI-1028
Oxygen debt
Biology · Secondary 3 · Hard · Oxygen debt
After a 400 m sprint, an athlete continues to breathe deeply for several minutes while resting. Which statement best explains why this happens?
- To supply extra oxygen to oxidise lactic acid and repay the oxygen debt.
- To remove excess glucose from the blood by respiration.
- To stop aerobic respiration so that anaerobic respiration can continue.
- To cool the body by stopping all respiration in the muscles.
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