Uploaded February 2017 | Updated September 2026, 4 days ago

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From why we get a runny nose to bacteria inside us outnumbering cells, we count 15 facts about our own bodies we never even knew

10. Heart Pumping
09. Sleep in Eyes
08. Stomach
07. Runny Nose
06. Skin
05. Muscle Soreness
04. Gaining Weight
03. Gut Bacteria
02. Body Heat
01. Five Senses
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Music:
CGI Snake by Chris Zabriskie is licensed under a Creative Commons Attribution license (creativecommons.org/licenses/by/4.0/)
Source: chriszabriskie.com/divider
Artist: chriszabriskie.com