Biology A-Level
volume and pressure changes
What volume and pressure changes means in Biology A-Level, as defined for AQA.
Definition of volume and pressure changes
Check what you remember
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Reference: AQA
Both changes increase the volume of the thoracic cavity, so the pressure inside falls below atmospheric pressure.
Topics that use volume and pressure changes
- Gas exchange (AQA A-Level)
Related terms
- antagonistic intercostal muscles
- Bronchioles
- Correlation
- counter-current flow
- diffusion at the alveolus
- large surface area
- Lungs
- maintaining a concentration gradient
Using volume and pressure changes in the exam
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