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The hairy side of stress

Surely it’s snot

The essential role of mucus in host defences

Mucus barriers provide vital defence for the body. Immunologist Erin Pallott describes the functions of mucus, and what happens when mucus barriers are compromised

© Yura Yarema/

AQA Biological molecules; Cell structure; Cell recognition and the immune system

OCR A Biological molecules; Cell structure; The immune system

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The hairy side of stress

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