Question

how are alveoli designed to maximise the exchange of gases?​

Answer 1

Explanation:

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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Answer 2

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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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