Other questions in this quiz

2. How does the capillary wall reduce diffusion distance?

  • Flattened or thin cells
  • One cell thick
  • Few cells thick

3. What happens to the pressure in the chest cavity during inspiration?

  • Nothing
  • Drops below atmospheric pressure
  • Rises above atmospheric pressure

4. What is the role of cilia in the trachea?

  • Help the trachea contract
  • Waft mucus up the airway to the back of the throat
  • Secrete mucus to trap particles

5. What is the tidal volume?

  • Inspiratiory/expiratory reserve volume
  • Largest volume of air that an be moved in and out in one breath
  • Volume of air moved in and out at rest
  • Volume of air that always remains in he lungs


No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Exchange and transport resources »