system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do wounds in the mouth heal so much faster than wounds on other parts of the body?
gpt
Simply put, saliva has enzymes that speeds the healing process slightly. Its why the phrase "Lick your wounds" has some truth to it.

Our teeth are designed to tear meat and plant matter, so our bodies needed a way to reconstruct the flesh in our mouth rapidly to prevent us from starving while healing.