Q:

What term refers to the exchange of gases between alveolar air and blood in the pulmonary capillaries?

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What term refers to the exchange of gases between alveolar air and blood in the pulmonary capillaries?


  1. inhalation
  2. internal respiration
  3. ventilation
  4. external respiration

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D: This is external respiration as it is an exchange that occurs with the atmosphere outside the body. 

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