Treating, curing and preventing disease - Edexcel - GCSE Biology (Single Science) - Edexcel - Audio

Treating, curing and preventing disease - Edexcel Audio

The immune system defends humans from pathogens. Physical and chemical barriers prevent infection. White blood cells attack pathogens. Immunisations usually involve injecting inactive pathogens.

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Learn about human defence systems against infection with Dr Alex Lathbridge. Listen to the full series on BBC Sounds.

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Treating, curing and preventing disease - Edexcel Audio

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