OCR 21st Century Science - Biology GCSE

B2.3 - How can we prevent the spread of infection?

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B1 - You and your genes

B2 - Keeping Healthy
B2.1 -What are the causes of disease?
B2.2 - How do organisms protect themselves against pathogens?
B2.3 - How can we prevent the spread of infection?
B2.4 - How can lifestyle, genes and the environment affect my health?
B2.5 - How can we treat disease?

B3 - Living together - food and ecosystems
B4 - Using food and controlling growth
B5 - The human body - staying alive
B6 - Life on Earth - past, present and future

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