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5 Written Questions

4 Multiple Choice Questions

  1. lungs containe over 300 million tiny air sacs providing a huge surface area for gas exchange (Diffusion).
  2. exchange of O2 and CO2 between the alveoli and circulating blood in the pulmonary capillaries.
  3. the process by which molecules spread from areas of high concentratiion, to areas of low concentration
  4. Relates to 02 utilization and C02 production by the tissues

4 True/False Questions

  1. Respiratory SystemConducts air in and out of lungs, Humidifies air, Warms air, Filters air.


  2. Diaphragmmuscular partition that separates the thoracic cavity from the abdominal cavity and aids in respiration by moving up and down


  3. VentilationRespiratory process by which gases are moved into and out of the lungs.


  4. Inspirationan active process in which the intercostal (rib) muscles and the diaphragm contract, expanding the size of the chest cavity and causing air to flow into the lungs


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