Biology (Gaseous Exchange)

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  • Created by: Jasmine
  • Created on: 08-05-13 21:42

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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