Contents
Key Stage 3
Meaning
The diaphragm is a wall of muscle separating the organs in the thorax from the organs in the abdomen.
About the Diaphragm
- The diaphragm is essential to allow vertebrates to breath air.
- When vertebrates inhale the diaphragm contracts and when they exhale the diaphragm relaxes.
 |
| An animation of the lungs inhaling and exhaling. |