Biology GCSE
Surface area and exchange
What Surface area and exchange means in Biology GCSE, as defined for AQA.
Definition of Surface area and exchange
Check what you remember
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Reference: AQA
Absorption happens mainly in the small intestine, whose lining has a large surface area and a good blood supply, features that increase the rate of absorption.
Topics that use Surface area and exchange
- The human digestive system (AQA GCSE)
Related terms
- Absorption and transport
- active site
- Active site and substrate binding
- Amylase
- Anabolic and catabolic reactions
- Apparatus and measurement skills
- Benedict’s test for reducing sugars
- Biological catalysts
Using Surface area and exchange in the exam
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