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    Topic 8 – Exchange and transport in animals — Edexcel GCSE Combined Science

    Test yourself on Topic 8 – Exchange and transport in animals with PEARSON EDEXCEL GCSE practice questions.

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    1. 8.1 Describe the need to transport substances into and out of a range of organisms, including oxygen, carbon dioxide, water, dissolved food molecules, mineral ions and urea

    Topic 8 – Exchange and transport in animals exam tips