Thursday, March 15, 2007
For young children, blobs of slimy snot appear to be self-made snacks only a pick and a scratch away. But for those over the age of 5, boogers are more hanging hazards than they are tasty treats. Everyone has them, and nearly everyone has some degree of hands-on experience with the clinging clumps, but far fewer people know what boogers are made of and how they end up in your nose.
Each day your nose produces nearly a cupful of mucus — that slimy stuff better known as snot — that seeps out each time you sneeze. This snot acts like a fly trap, catching the dust, pollen, germs, sand and smoke that enters your nose each time you breath, before the particles reach and begin to infect your lungs. Tiny nasal hairs move the snot and its contents away from the lungs and toward the front of your nose. As the mucus, dirt, germs and sand move, they dry and mold together to produce a bounty of boogers.
So next time you go digging for gold in your nose or snack on a piece of solidified snot, think about the dirt, pollen and smoke behind that booger.
Source: www.kidshealth.org
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