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Heart 101 | National Geographic
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2019Feb 21
The human heart beats up to 3 billion times over an average lifespan. Learn about the anatomy of the heart and how this muscular organ provides life-giving oxygen throughout the body. ➡ Subscribe: http://bit.ly/NatGeoSubscribe #NationalGeographic #Hearts #Educational About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Get More National Geographic: Official Site: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta Read more about Heart here: https://on.natgeo.com/2YA2rwH Heart 101 | National Geographic    • Heart 101 | National Geographic   National Geographic    / natgeo  

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