Which of the following is the primary site of gas exchange in the human lungs?

Practice MCQ for SSC, UPSC, RRB Exams

A. Bronchi A.
B. Bronchioles B.
C. Alveoli C.
D. Trachea D.

Correct Answer: C সঠিক উত্তর: C

Explanation ব্যাখ্যা

Alveoli are tiny air sacs within the lungs where the actual exchange of oxygen and carbon dioxide between the blood and air takes place.

Related Questions সম্পর্কিত প্রশ্ন

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