Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of :

Residual Volume

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Inspiratory Reserve Volume

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Tidal Volume

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Expiratory Reserve Volume

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A Residual Volume
Residual Volume (RV) is the volume of air remaining in the lungs even after a forcible expiration. This is main reason why alveoli do not collapse even after forceful expiration.

Suggest Corrections

Similar questions

When about 1500 ml of air remains in the lungs after forceful expiration, it is called the _________.

1200 ml volume of air which always remains in the lungs even after forcible expiration is called

Join BYJU'S Learning Program