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6. Which of these options exist

  • Nasal cavity and Pleural cavity
  • Bronchioles cavity and Trachea cavity
  • Nasal cavity and Trachea cavity
  • Alveoli cavity and Pleural cavity

7. What is the purpose of the pleural fluid?

  • To allow for oxygen to enter and leave the lungs via the blood stream
  • To lubricate the lungs and adhere to the uterwalls of the lung
  • To allow for gaseous exchange via osmosis of fluid
  • The dry the the lungs and adhere to the uter walls of the lungs

8. How big are bronchioes

  • < 1mm
  • >1mm
  • >2mm
  • 3mm

9. How big is the surface area

  • 30-50m2
  • 50-75m2
  • 75-100m2
  • 25-50m2

10. How big are alveoli

  • 100-200nm
  • 200-300nm
  • 300-400nm
  • 50-100nm

11. Bronchi contain half rings of cartilage

  • False
  • True

12. Gas exchnage surafces have to be moist to aid diffusion

  • True
  • False

13. What feature benefits gaseous exchange within the nasal cavity

  • Goblet cells
  • Moist surfaces
  • Hairy lining

14. The double membrane surrounding the lungs is called the pleural cavity

  • False
  • True

15. Lungs do not expad when breathing

  • False
  • True