Brain 101 | National Geographic
The brain constitutes only about 2 percent of the human body, yet it is responsible for all of the body s functions. Learn about the parts of the human brain, as well as its unique defenses, like the blood brain barrier. ➡ Subscribe: http://bit.ly/NatGeoSubscribe 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 Brain 101 | National Geographic https://youtu.be/pRFXSjkpKWA National Geographic https://www.youtube.com/natgeo
