Physical Education GCSE
Mechanism of breathing
What Mechanism of breathing means in Physical Education GCSE, as defined for OCR.
Definition of Mechanism of breathing
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Reference: OCR
Breathing moves air in and out of the lungs because skeletal muscles change the volume of the thoracic cavity.
Topics that use Mechanism of breathing
- 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
- Pressure and volume changes in the thorax
- tidal volume
Using Mechanism of breathing in the exam
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