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Class 10 Science Medium Mcq English Medium

The balloon-like structures at the end of the smallest air passages in the lungs, where gas exchange occurs, are called:

Question
The balloon-like structures at the end of the smallest air passages in the lungs, where gas exchange occurs, are called:
Bronchioles
Alveoli
Bronchi
Trachea
Answer
Alveoli
Detailed Explanation
Alveoli are the balloon-like structures where the passage terminates and gas exchange between air and blood takes place.
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