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Home > Health And Diseases > Question

The primary functional unit within the Lungs responsible for gas exchange is the ___________?

0
A) Diaphragm
B) Trachea
C) Bronchial tubes
D) Alveoli for gas exchange

Correct Answer: D) Alveoli for gas exchange

Reason: The Lungs contain millions of tiny air sacs called Alveoli for gas exchange (oxygen into the blood, carbon dioxide out). Related MCQs: This process occurs across the thin membrane lining the alveoli.

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