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Gaseous exchange occurs in ______

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in Biology – Class 11 by (272k points)
Gaseous exchange occurs in ______

(a) bronchial tree

(b) respiratory tree

(c) trachea

(d) larynx

I got this question at a job interview.

This intriguing question comes from Human Respiratory System in chapter Breathing and Exchange of Gases of Biology – Class 11

1 Answer

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Right option is (b) respiratory tree

The best I can explain: Gaseous exchange occurs in respiratory tree, while it is absent in bronchial tree. Respiratory tree is also known as exchange zone which which includes respiratory bronchiole, alveolar duct, atria, alveolar sac and alveoli.

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