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Q:
What are boogers?
A:

To understand what boogers are, you need to know about mucus (say: myoo-kus). Mucus is the thin, sticky, slimy stuff that’s made inside your nose. If you’re like a lot of kids, you have another name for nose mucus: snot. Your nose makes about a cupful (about 237 milliliters) of snot every day.


Mucus has a pretty important job – it protects the lungs. When you breathe in air through your nose, it contains lots of tiny things, like dust, dirt, germs, and pollen. If these made it all the way to the lungs, the lungs could get hurt and it would be tough to breathe. Luckily, snot helps trap this stuff, keeping it in the nose and out of the lungs.


After this stuff gets stuck inside the nose, the mucus surrounds it and some of the tiny hairs inside the nose called cilia (say: sih-lee-uh). These hairs help move the mucus and the trapped stuff toward the front of the nose or the back of the throat. When the mucus and the dirt dry and clump together, you’re left with a booger.


Boogers can be squishy and slimy or tough and crumbly. Everybody gets them, so they’re not a big deal. In fact, boogers are a sign that your nose is working the way it should!


For more on burps check “What’s a Booger?” on Kidshealth.org

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