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5.3.1 Human Physical and Chemical Defences — Edexcel Biology 1BI0 | GradeGen.AI
Biology
Health, Disease and Medicines
Human Immunity and Medicines
Human Physical and Chemical Defences
Human Physical and Chemical Defences
Edexcel GCSE Biology (1BI0) — Health, Disease and Medicines
What You Need to Know
Describe how physical barriers like mucus, cilia, and skin protect the body from pathogens.
Describe how chemical defences like lysozymes and hydrochloric acid protect the body.
Revision Notes
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Human Physical and Chemical Defences
17 key terms
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