Biology (Gaseous Exchange)

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


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…


No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Exchange of materials resources »