Uvula?

Okay, this is totally random but I just have to share just because it's so hilarious to me. A & D have been OBSESSED with their uvulas lately. WEIRD, right? They are both constantly talking about them, why do we have them, what are they for, mine is bigger than yours, etc. Well, the other day I overheard Little Miss A tell Mr. D that girls uvulas have critters on them and boys don't. WHAT? So I asked her what she was talking about and she said "You know, the critters that help keep our teeth white. That's why girls have whiter teeth than boys." Where does this stuff come from? :)