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  1. GCSE
  3. Biology Edexcel
  5. 8.2.3 Structure of the heart and circulatory system

8.2.3 Structure of the heart and circulatory system

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Revise Edexcel GCSE Biology 8.2.3 Structure of the heart and circulatory system with the question bank, lessons, revision guides, and flashcards.

Explain how the structure of the heart and circulatory system is related to its function, including the role of the major blood vessels, the valves and the relative thickness of chamber walls

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