Other questions in this quiz

2. Which has less water vapour?

  • Inspired air
  • Expired air

3. Which has less carbon dioxide?

  • Inspired air
  • Expired air

4. What happens when you breathe in?

  • The diaphragm moves down and the ribs move up and out
  • The diaphragm moves up and the ribs move in and down

5. What does the moist lining of the alveoli allow to dissolve before it diffuses through the wall?

  • Blood
  • Oxygen
  • Carbon dioxide

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