Diaphragm
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. |
Key Stage 4
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. |
References
AQA
- Diaphragm (contraceptive), pages 217, 219, GCSE Biology; Student Book, Collins, AQA
- Diaphragm (thoracic), page 118, GCSE Biology; Student Book, Collins, AQA
- Diaphragm (thorax), page 33, GCSE Biology; The Revision Guide, CGP, AQA
- Diaphragm (thorax), page 70, GCSE Combined Science Trilogy; Biology, CGP, AQA
- Diaphragm (thorax), page 76, GCSE Biology, CGP, AQA
- Diaphragms (contraceptive), page 65, GCSE Combined Science; The Revision Guide, CGP, AQA
- Diaphragms (contraceptive), page 78, GCSE Biology; The Revision Guide, CGP, AQA
- Diaphragms (contraceptives), page 194, GCSE Combined Science Trilogy; Biology, CGP, AQA
- Diaphragms (contraceptives), page 230, GCSE Biology, CGP, AQA