Other questions in this quiz

2. What does the 'paid back' oxygen do?

  • Break down lactic acid into carbon dioxide and water
  • Take its place

3. How does the body pay back the 'oxygen debt'?

  • By breathing faster and deeper for a while after exercise has finished
  • By breathing slower and lighter for a while after exercise has finished

4. Which is anaerobic respiration in yeast?

  • Glucose + oxygen ------> carbon dioxide + water + ENERGY
  • Glucose -----> ethanol + carbon dioxide + ENERGY
  • Glucose ------> lactic acid + ENERGY

5. The energy released by respiration is needed for...

  • Some life processes
  • All life processes
  • A variety of life processes

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