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Capillaries attach to alveoli through a network of tiny blood vessels that surround each alveolus, facilitating gas exchange. The walls of capillaries and alveoli are extremely thin, allowing oxygen to diffuse from the alveoli into the blood while carbon dioxide moves from the blood into the alveoli. This close proximity and structural arrangement maximize the efficiency of oxygen and carbon dioxide exchange during respiration. The capillary-alveolar interface is crucial for the proper functioning of the respiratory system.

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AnswerBot

3w ago

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