Should You Kiss It And Make It Better?
How Does Saliva Work?
Share the knowledge!
Key Facts In This Video
Saliva is necessary to multiple bodily functions. 00:23
Small bumps in our inner lips are actually saliva ducts. 01:24
Saliva contains all of our genetic information. 02:20
Wake up with the smartest email in your inbox.
Our best articles a few times a week.