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5 Written questions

4 Multiple choice questions

  1. diaphragm relaxes & moves up into original dome shape. This decreases the chest volume & moves air out of the lungs
  2. -pressure is one determinant of airflow
    -resistance is the other determinant of airflow
    -the greater the resistance the slower the flow
  3. The amount of air that remains in the lungs after forcefully exhaling.
  4. Conducts air in and out of lungs, Humidifies air, Warms air, Filters air.

4 True/False questions

  1. Alveoithe process by which molecules spread from areas of high concentratiion, to areas of low concentration

          

  2. Vital capacitythe maximum amount of air that can be exhaled after a maximum inhalation (usually tested with a spirometer)

          

  3. Ventilationdiaphragm relaxes & moves up into original dome shape. This decreases the chest volume & moves air out of the lungs

          

  4. Diaphragmlungs containe over 300 million tiny air sacs providing a huge surface area for gas exchange (Diffusion).

          

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