The lungs replenish the body with life-giving oxygen. Learn about the anatomy of the lungs, how the organs make respiration possible, and how they are vulnerable to illnesses. ➡ Subscribe: http://bit.ly/NatGeoSubscribe #NationalGeographic #Lungs #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 in "Lungs and How They Fuel Our Bodies With Oxygen" https://on.natgeo.com/2MnlSqx Lungs 101 | National Geographic https://youtu.be/B75kBvjJink National Geographic https://www.youtube.com/natgeo