Question

Exchange of gases inside the lungs actually occurs inside tiny sacs called

Answer 1

The smallest bronchioles end in tiny air sacs, called alveoli, which inflate during inhalation, and deflate during exhalation. It occurs in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.

Answer 2

Answer:

✿ Exchange of gases inside the lungs actually occurs inside tiny sacs called Alveoli.