Biology A-Level
ventilation
What ventilation means in Biology A-Level, as defined for AQA.
Definition of ventilation
Check what you remember
Read the wording for your board, then hide it and explain ventilation in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The movement of air into and out of the lungs, continually replacing the air in the alveoli.
Topics that use ventilation
- 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 ventilation in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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