In human's quest to conquer new worlds, you'd think the ocean would be next. Why can't we live deep underwater yet? Watch More: Can Genetically Engineered Mosquitoes Help Fight Disease? ►►►► https://www.youtube.com/watch?v=CB_h7aheAEM Support Life Noggin on Patreon: https://www.patreon.com/LifeNogginStudios?ty=h Follow Us! https://twitter.com/LifeNoggin https://facebook.com/LifeNoggin https://www.instagram.com/lifenoggin/ Click here to see more videos: https://www.youtube.com/user/lifenoggin Life Noggin is a weekly animated educational series. Whether it's science, pop culture, history or art, we explore it all and have a ton of fun doing it. Life Noggin Team: Director/Voice: http://lifenogg.in/patgraziosi Executive Producer: http://youtube.com/iandokie Director of Marketing: http://lifenogg.in/JaredOban Animation by Robert Grisham Head Writer: http://lifenogg.in/KayleeYuhas Written by: Michael Sago https://twitter.com/michaelsago Sources: http://www.webmd.com/lung/how-we-breathe http://www.livescience.com/32196-why-cant-human-beings-breathe-underwater.html http://www.waterontheweb.org/under/waterquality/oxygen.html http://www.livestrong.com/article/456880-the-speed-of-human-swimming/ http://www.nefsc.noaa.gov/faq/fishfaq1b.html http://www.flmnh.ufl.edu/fish/discover/fish/how-fish-swim/ http://tpwd.texas.gov/kids/wild_things/fish/howdofishswim.phtml http://reptools.rutgers.edu/Functpage34.html http://basicbiology.net/animal/fish/gills/