Roses are red, violets are blue -- well, bluish. The sky is blue, too. Grass is green. These are things that most of us know for a fact and don't question. But what if you were colorblind? What would you see? Is life one long black-and-white movie?
WHAT'S INSIDE: EYE, EAR, NOSE & THROAT
- Nose & Throat
It's hard to imagine being thankful for mucus when you've got a nose full of it, but if it all went away you'd really be in trouble.
Boogers are more than an annoyance. Your body makes them for a very specific purpose — and it's not to gross out other people.