Biology A-Level
Alveoli
What Alveoli means in Biology A-Level, as defined for AQA.
Definition of Alveoli
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Reference: AQA
Clusters of tiny air sacs at the ends of bronchioles that provide a massive surface area for gas exchange.
Topics that use Alveoli
- 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 Alveoli in the exam
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