How does my body protect itself against infection?


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How does my body protect itself against infection?


When bugs first enter our body they are immediately held up by our first lines of defence. These are the physical barriers like our skin and the linings of our gut and airways. These barriers release chemicals that help to stop the bugs from growing and multiplying. Examples are the mucous that that lines our airways and the acid lining our stomach.


Related Resources
How your immune system works
The Complete Idiot's Guide to Dangerous Diseases & Epidemics
Resources about the Immune system and disorders


Date of Posting: 10/01/2003
Date of next Review: 15/01/2005


Related Questions:
What happens if the microbes get through the first defences (the innate response)?
What is the adaptive immune response?
Why do I only get some illnesses once?
Why do I get some illnesses lots of times?
Why may I need to take antimicrobials?


MeSH keywords:
Immune System; Immunity


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