WATCH: Sharks biting alligators, the most epic lion battles, and MUCH more. Enter your email in the box below to get the most mind-blowing animal stories and videos delivered directly to your inbox ...

Injuries to the lips and mouth Includes inner cheeks and the roof of the mouth (hard and soft palate) Front of the mouth includes the tongue. Also, includes the flap under the upper lip (frenulum).

When it comes to our personality, how we commonly behave and feel can lead us to believe that our traits are fixed. But the truth is, our personality can change, and we have the power to shape ...