Why Do Our Bones Make Our Blood

Our bones are multifunctional body builders, but perhaps their most mysterious function is the production of blood. Scientists now think they have a pretty good idea why this is where our blood gets made. Go to to try their Physics of the Everyday course. Sign up now and get 20 off an annual Premium subscription. Hosted by: Hank Green SciShow has a spinoff podcast It s called SciShow Tangents. Check it out at Support SciShow by becoming a patron on Patreon: Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Silas Emrys, Charles Copley, Drew Hart, Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Christopher R Boucher, Eric Jensen, Lehel Kovacs, Adam Brainard, Greg, GrowingViolet, Ash, Laura Sanborn, Sam Lutfi, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, charles george, Alex Hackman, Chris Peters, Kevin Bealer Looking for SciShow elsewhere on the internet Facebook: Twitter: Tumblr: Instagram: Image