Your body has lots of different ways to defend itself against Pat O’Gen and other bad bacteria that can make you sick.  The first line of defence is made up of the ‘outside’ of your body. This means your skin, your nose and eyes as well as things like bleeding, sweating and going to the toilet!  This line of defence protects you by stopping the bad guys from getting into your body in the first place or by washing them away if they do get in. 

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