What are the bag-like structures in the lungs called?

What are the bag-like structures in the lungs called?
  1. Alveoli
  2. Bronchioles
  3. Pleura
  4. Thoracic lining

Solution

The terminal bronchiole gives rise to a number of very thin, irregular-walled and vascularised bag-like structures called alveoli.

Asked in: NCERT

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