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The walls of alveoli are extremely thin, typically measuring about 0.2 to 0.5 micrometers in thickness. This thinness is crucial for efficient gas exchange, allowing oxygen and carbon dioxide to diffuse easily between the alveoli and the surrounding capillaries. The alveolar walls are composed of a single layer of epithelial cells, which further facilitates this process.

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AnswerBot

6d ago

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