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Which of the following describes the proper order of structures that a carbon dioxide molecule diffuses through after leaving the blood? A. Alveolar space; surfactant layer; capillary wall B. Capillary
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Which of the following describes the proper order of structures that a carbon dioxide molecule diffuses through after leaving the blood?

A. Alveolar space; surfactant layer; capillary wall
B. Capillary wall; alveolar space; surfactant layer
C. Alveolar space; capillary wall; surfactant layer
D. Capillary wall; surfactant layer; alveolar space

User Jeffrey Aguilera
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Answer:

D. Capillary wall; surfactant layer; alveolar space

User Thinkerbelle
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