The lungs do not collapse during breathing an | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) The lungs do not collapse even after forceful expiration because of the presence of negative intrapleural pressure. This negative pressure is gene

Vedclass · Accepted Answer

There is negative intrapleural pressure acting on the lung wall.

Vedclass · Answer

(D) The lungs do not collapse even after forceful expiration because of the presence of negative intrapleural pressure. This negative pressure is generated by the pleural membranes,which act as a suction force that keeps the lungs expanded against the chest wall. Because of this constant negative pressure,the lungs are held in a stretched state,preventing them from collapsing completely. Consequently,a certain volume of air,known as the $Residual  Volume$ $(RV)$,always remains in the lungs and cannot be expelled.

The lungs do not collapse during breathing and some air always remains in the lungs which can never be expelled because:

Similar Questions

The normal shape of the diaphragm is

Which of the following statements is correct about the mechanism of breathing?

During inspiration,the volume of thoracic cavity increases because of

An increase in pulmonary volume decreases the intra-pulmonary pressure to less than the atmospheric pressure,which forces the air from outside to move into the lungs. This process is known as:

Expiration occurs only when.....

Vedclass Test Series

Exam Paper Generator

Online Exam Module