Biology (Gaseous Exchange)
- Created by: Jasmine
- Created on: 08-05-13 21:42
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DEFINITIONS:
Counter Current- where the water flow flows in a different direction to the blood flow, to keep a relatively high concentration gradient
Respiratory Surfaces-
Key Features:
- Large surface area
- Thin barrier/ short distance for diffusion
- Steep concentration gradient
- Mechanism for maintaining…
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