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Which of the following statements could be applied to “external respiration”?

waelhammad
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2022-10-18
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Which of the following statements could be applied to “external respiration”?

  1. Exchange of gases between alveolar air and the blood in pulmonary capillaries.
  2. Exchange of dissolved gases between blood in tissue capillaries and the body tissues.
  3. The production of CO 2 from organic molecules in the cells by using O 2
  4. The inhalation of atmospheric air into the lungs followed by exhalation.
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waelhammad
2022-10-18
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A External respiration refers to the movement of oxygen from the alveoli into the capillary blood and carbon dioxide from the capillary blood into the alveoli. Choice B is “internal respiration” and choice C is “cellular respiration”.

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