Worksheet on homeostasis and thyroid function, covering thyroxine, TSH and nutrient deficiencies as well as revising homeostasis and negative feedback generally.
This two-page worksheet has plenty of illustrations and diagrams to help students remember the topic. Targets the AQA 9-1 biology GCSE. There’s versions of the worksheet for colour and black and white printing and an in-depth mark scheme.
Doing Edexcel GCSE? I have a separate version targeting that course specifically.
2024 update: fixed a glitch with question numbering and following feedback from students, added more space for writing down some answers.
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