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To what does the term “external respiration” refer?

waelhammad
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2022-10-19
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To what does the term “external respiration” refer? 

  1. ventilation of the lungs (breathing)
  2. exchange of gases between alveolar air and lung capillaries
  3. the production by cells of ATP from small molecules and oxygen
  4. exchange of dissolved gases between capillary blood and body tissues
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waelhammad
2022-10-19
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B: When gas moves from the alveoli (“outside”) to the blood in pulmonary capillaries (“inside”), this is known as external respiration

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