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What is the primary site for exchange of gases in lungs?(a) Larynx(b) Trachea(c) Alveoli(d) BronchiThis question was addressed to me in an interview for internship.This is a very interesting question from Exchange of Gases topic in section Breathing and Exchange of Gases of Biology – Class 11

Answer»

Right CHOICE is (c) Alveoli

The best I can EXPLAIN: Alveoli are the primary SITE for exchange of gases in lungs. Exchange of gases is found only in respiratory zone of the lungs, as they are covered by simple SQUAMOUS epithelium.



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