Why are the alveoli supplied with capillaries?
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(i) The alveoli are thin walled and richly supplied with a network of blood capillaries to facilitate the exchange of gases between blood and the air filled in alveoli. ... These provide maximum surface for exchange gases.
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- The alveoli are thin walled and richly supplies with a network of blood capillaries to facilitate the exchange of gases between blood and the air filled in alveoli.
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