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The questions in this quiz are suitable for GCSE biology students studying hormones and nerves, negative feedback systems, thyroxine and adrenaline, and type 1 and Type 2 diabetes.

If you struggled with the quiz, don't panic - we've got you! You can revise energy stores by clicking the links below.

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Revise hormones and the human endocrine system

To brush up on your GCSE hormones and the human endocrine system knowledge, click on the link to your awarding body specific revision:

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