Biology- adaptations for gas exchange

Description

A level BIology (BY2 2.2 Adaptations for gas exchange) Mind Map on Biology- adaptations for gas exchange, created by Ben Bowen on 03/03/2015.
Ben Bowen
Mind Map by Ben Bowen, updated more than 1 year ago
Ben Bowen
Created by Ben Bowen about 9 years ago
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Resource summary

Biology- adaptations for gas exchange
  1. Fish
    1. Gills
      1. Bony fish have counter current flow
        1. Maintains diffusion gradient
        2. Cartilaginous fish have concurrent flow
          1. Less efficiency
      2. Amphibia
        1. As Tadpoles
          1. They also have
          2. Lungs
            1. Through the skin, cutaneous
            2. Reptilea
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