First slide
Mechanism of Breathing

Select the correct set of events that occur during expiration

A) relaxation of external intercostal muscles

B) diaphragm is arched upwards

C) intra-pulmonary pressure increases

D) ribs and sternum are lifted up

E) pulmonary volume increases


External intercostal muscles relax, diaphragm is arched upwards, intra-pulmonary pressure increases

Get Instant Solutions
When in doubt download our app. Now available Google Play Store- Doubts App
Download Now
Doubts App