During respiration in human beings, the actual place of gaseous exchan

During respiration in human beings, the actual place of gaseous exchange is

[amp_mcq option1=”Bronchi” option2=”Nasal passage” option3=”Alveoli” option4=”Trachea” correct=”option3″]

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UPSC CAPF – 2020

The actual place of gaseous exchange (oxygen and carbon dioxide) in the human respiratory system is the alveoli.

Alveoli are tiny air sacs in the lungs where the thin walls of the alveoli and surrounding capillaries allow for efficient diffusion of gases between the air and the blood.

Bronchi and trachea are airways that conduct air to and from the lungs but are not primarily sites of gas exchange. The nasal passage is involved in filtering, warming, and humidifying inhaled air.

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