Physical Education GCSE
Pressure and volume changes in the thorax
What Pressure and volume changes in the thorax means in Physical Education GCSE, as defined for OCR.
Definition of Pressure and volume changes in the thorax
Check what you remember
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Reference: OCR
Together the diaphragm and intercostals create the pressure changes that drive ventilation, with the diaphragm contributing most of the volume change at rest.
Topics that use Pressure and volume changes in the thorax
- 1.1.d. The cardiovascular and respiratory systems - Structure and function of the respiratory system (OCR GCSE)
Related terms
- Alveoli
- Diaphragm structure and action
- Diffusion
- Gas exchange
- Intercostal muscle action
- minute ventilation
- tidal volume
- Air pathway
Using Pressure and volume changes in the thorax in the exam
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