Question

The microscopic air sacs present in the lungs are called alveoli.

• A. True
• B. False

Answer 1

The correct option is A True

1. At the end of the bronchioles microscopic air sacs called alveolar sacs are present.
2. Each air sac has group of alveoli ( singular- alveolus).
3. The walls of the alveoli are richly supplied with blood capillaries.
4. There are millions of alveoli present in each lung.

Final answer: The given statement is true.