how does alveoli designed to maximize the exchange of gases
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alveoli small baloon like structure they have a dense network of blood capillaries on its outside. there are over 480 millions of alveoli in lungs.
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♥ The alveoli are thin walled and richly supplied with a network of blood vessels to facilitate exchange of gases between blood and the air filled in alveoli .
♥ Alveoli have balloon-like structure . Thus , provide maximum surface for exchange of gases .
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