Other questions in this quiz

2. which of these cause the ribcage to move up and out during inhalation

  • high diffusion gradient
  • external intercostal muscles contract
  • diaphragm muscles contract
  • bronchioles

3. what allows air to flow into the lungs during inhalation

  • alveoli
  • lower pressure in the lungs than outside the body
  • the heart
  • pleural membrane

4. during exhalation which of these pull the ribs down and in

  • chest cavity
  • intercostal muscles
  • pleural membrane
  • diaphragm muscles

5. which one of these is a main advantage for an alveolus carrying out its jobs

  • close to the heart
  • rich blood supply
  • long distance between itself and the blood supply
  • low surface area


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