Biology 0610 · IGCSE · Anaerobic respiration

Anaerobic respiration — practice question

Once the race has finished, athletes have oxygen debt. The diagram illustrates how the oxygen debt is cleared. What occurs at X?

  • Aaerobic respiration of glucose
  • Baerobic respiration of lactic acid
  • Canaerobic respiration of glucose
  • Danaerobic respiration of lactic acid

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