Blood supply
What Blood supply means in Combined Science GCSE, as defined for AQA.
Definitions of Blood supply
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Reference: AQA
A rich network of capillaries close to the exchange surface, which removes the substance that has diffused in and brings a fresh supply of blood.
A rich one in the small intestine and lungs helps to maintain a steep concentration gradient.
Topics that use Blood supply
- Diffusion (AQA GCSE)
Related terms
- Adaptations of exchange surfaces
- Cell size and organism size
- Concentration gradient
- Diffusion
- Diffusion and exchange surfaces
- Diffusion distance
- Exchange surface
- Exchange surfaces
Using Blood supply in the exam
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