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How are the alveoli designed to maximize the exchange of gases?


Alveoli are small balloon-like structures present in the millions inside our lungs. 

  • The gaseous exchange takes place in alveoli.
  • The walls of alveoli are very thin and have lots of thin blood capillaries
  • Since they are very small, high in number, they provide a large surface area which maximizes the exchange of gases .

Exchange of gases at alveoli - Teachoo.jpg

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CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo