Gas exchange in the lungs occurs by: Question 37Select one: A. diffusion across the surface of an alveolus B. active transport driven by hemoglobin C. diffusion of hemoglobin into the alveolus D. diffusion across the bronchiole wall.
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Gas exchange in the lungs involves the movement of oxygen from the air into the bloodstream and the removal of carbon dioxide from the bloodstream into the air. This process is essential for respiration. Show more…
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