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Clear notes on all types of exchange surfaces

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Clear notes on all types of exchange surfaces

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Exchange surfaces - photographs and notes

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Exchange surfaces - photographs and notes

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Anatomy Atlases: Atlas of Microscopic Anatomy: Section 1 - Cells

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Anatomy Atlases: Atlas of Microscopic Anatomy: Section 1 - Cells

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All living cells need to be able to take up and excrete substances from and to their environment.