how does exchange of gases take place in the alveoli
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Answer: the exchange take place in the millions of alovali in the lungsand.the capillaries that envolpe them as shown in the inhailed oxygen moves from alovali to blood in the capillarie and carbon dioxide moves from the blood in capillaries to the air in the alveoli.
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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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