大象传媒

Treating, curing and preventing disease - OCR Gateway Audio

Pathogens are everywhere. The body has evolved defences that act to prevent pathogens entering it. If a pathogen does enter the body then the immune system helps to fight it off.

Part of Biology (Single Science)Global challenges

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

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Treating, curing and preventing disease - OCR Gateway

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