I seem to be on a path of a series of blogs about the lungs at the moment. Did you know that inside your lungs there are millions to trillions of miniscule cilia constantly acting like a group of syncronised swimmers. They waft wonderful mucous through your lungs to keep it moist and trap and destroy harmful organisms that you may have breathed in. View my blog http://rest.net.nz/articles/the-escalator-ride-in-the-lungs-mucous-and-cilia/ to read more

 

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