Why are lungs divided into very small sac like structure?

Open in App

Solution

Lungs are divided into sacs to increase the surface area and to easily transport oxygen to the blood vessels which surrounds the air sacs and also air sacs have a thin film of oxygen which helps to absorb oxygen quickly.

Suggest Corrections

Similar questions

The alveoli is a small sac-like structure present in the lungs that allows gas exchange.

The small sac-like structures found inside the lungs where the blood vessels are wrapped tightly around are called as ___

Join BYJU'S Learning Program