Which of the following best describes the journey of an oxygen molecule in a lung?
A) It travels from an alveolus to a bronchiole to a capillary to a red blood cell to hemoglobin.
B) It travels from a bronchiole to an alveolus to a capillary to hemoglobin to a red blood cell.
C) It travels from a bronchiole to an alveolus to a capillary to a red blood cell to hemoglobin.
D) It travels from a bronchiole to an alveolus to a red blood cell to a capillary to hemoglobin.
Correct Answer:
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