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Everything You Never Wanted To Know About Spit
Try to imagine eating anything without spit.
5 Amazing Uses For Spit
Never thought you'd read "amazing" and "spit" in the same sentence?
How Does Saliva Work?
It's involved in a lot more than you think.
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
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