You use your mouth every day, but have you ever wondered what's really going on in there? You actually have a pretty fascinating ecosystem at work between your jaws. This list is full of things you didn't know about your mouth.After you read these mouth facts, take a little time to be thankful for your mouth and everything in it, from your tongue to your, your uvula, and even your saliva. After all, your mouth is essential in order for you to do all the things you love, like eating, talking, singing, and kissing. A healthy mouth is a happy mouth, so remember to see your dentist, too.