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How Does Saliva Work?

The small bumps in your inner lips are actually saliva ducts.

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How Does Saliva Work?

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Key Facts In This Video

  1. Saliva is necessary to multiple bodily functions. 00:23

  2. Small bumps in our inner lips are actually saliva ducts. 01:24

  3. Saliva contains all of our genetic information. 02:20

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