We use cookies to improve your experience and understand how Examtube is used. You can accept analytics cookies or continue with essential cookies only.
Privacy policy2 public questions tagged with this topic.
During inspiration, the diaphragm contracts and moves downward, increasing the thoracic cavity volume.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Mechanism of Breathing and Respiratory Volumes
During expiration, the diaphragm relaxes and moves upward, decreasing thoracic volume and increasing pressure.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Organs and Human Respiratory System
Add our app to your home screen for a better experience.
This page is supported by advertisements. An ad blocker is stopping those ads from loading, so we cannot show the rest of the page yet. Pause the blocker for this site, then continue. We will check again automatically.
You can keep using this site after advertisements are allowed to load.
