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Question
Question 9
How are the alveoli designed to maximise the exchange of gases?
Question 9
How are the alveoli designed to maximise the exchange of gases?
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Solution
The alveoli are thin-walled and richly supplied with a network of blood vessels to facilitate the exchange of gases between blood in the capillaries and the air inside the alveoli. These alveoli are balloon-like structures which provide the maximum surface area for the exchange of gases.
The alveoli are thin-walled and richly supplied with a network of blood vessels to facilitate the exchange of gases between blood in the capillaries and the air inside the alveoli. These alveoli are balloon-like structures which provide the maximum surface area for the exchange of gases.
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