Other questions in this quiz

2. The large number of alveoli provides a ____________ for gas exchange

  • Large surface area
  • Small surface area
  • Thin wall
  • Thick wall

3. Which has less oxygen?

  • Expired air
  • Inspired air

4. what needs a respiratory system because the diffusion of oxygen through the surface would be too slow?

  • Large animals
  • Small animals

5. What is very close (side by side) with the wall of the alveolus?

  • Plasma
  • Red blood cell
  • Wall of the capillary
  • Bloodstream

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