Edexcel · 4HB1

IGCSE (Edexcel) Human Biology Resources

official documents · past papers and exam practice · course outline

Units and topics

Choose a topic to see its available materials.

Unit 1 - Cells and tissues2 topics

Unit 2 - Biological molecules2 topics

Unit 3 - Movement of substances in and out of cells1 topics

Unit 4 - Bones, muscles and joints2 topics

Unit 5 - Coordination3 topics

Unit 6 - Nutrition and energy2 topics

Unit 7 - Respiration1 topics

Unit 8 - Gas exchange2 topics

Unit 9 - Internal transport3 topics

Unit 10 - Homeostatic mechanisms2 topics

Unit 11 - Reproduction and heredity2 topics

Unit 12 - Disease2 topics

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Supplied 2024–2026 original files. Only available sessions and papers are listed. Check the exam-year specification and set texts.