How are the alveoli designed to maximize the exchange of gases. Show with
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The alveoli are thin-walled and richly supplied with a network of blood vessels to facilitate the exchange of gases between blood and the air-filled in alveoli. They have a balloon-like structure that provides maximum surface area for exchange of gases.
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Oxygen moves from the alveoli into the blood by diffusion. ... How does the structure of the alveoli make gas exchange efficient? The thin walls of the alveoli and the capillaries give only a small distance for the oxygen and carbon dioxide to diffuse across making gas exchange efficient
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