Acknowledgements for A Level Biology AQA (7402)

Haemoglobin curve in question 2.3 of section 3.3.1-4 Exam questions is licensed under Creative Commons Attribution ShareAlike 3.0 License, courtesy of Diberri (talk). Pondskater image in question 1.1 of section 3.1.6-8 Exam questions is licensed under Creative Commons Attribution 1.0 Generic, courtesy of Bj.schoenmakers.

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