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Exchange and transport

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Why bother with a post grad? Are they even worth it? Have your say! 26-10-2016
    • Thread Starter

    --> Describe diffusion, osmosis and active transport
    --> Explain why oxygen and glucose need to be absorbed and waste products removed
    --> Compare and contrast either:
    --> Exchange surfaces in mammals and fish
    --> Exchange surfaces in the lungs and the intestines

    These sound like homework questions which can easily be looked up. Have you tried doing so? Feel free to come back if you're stuck though.
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