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The tiny thin-walled bags at the end of each terminal bronchiole are the:
ATracheae
BAlveoli
CPleurae
DBronchi
Answer & Solution
Correct answer: B. Alveoli
1. Each terminal bronchiole ends in many bag-like structures.
2. They are thin and richly supplied with blood.
3. They are the alveoli.
_Source: NCERT Class 11 Biology, Chapter 17, Breathing and Exchange of Gases._
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