How Much of Your Body Is New Every Year? | Compilation

Certain parts of you continue to regenerate. You can regrow your liver, for instance. But why not your lungs or legs? Scientists are getting closer to solving that mystery. Hosted by: Stefan Chin ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, Eric Jensen, Harrison Mills, Jaap Westera, Jason A, Saslow, Jeffrey Mckishen, Jeremy Mattern, Kevin Bealer, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: https://www.tiktok.com/@scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow Facebook: http://www.facebook.com/scishow #SciShow #science #education #learning #complexly ---------- Sources: https://www.gettyimages.com/detail/video/starfish-stock-footage/473290599?adppopup=true https://commons.wikimedia.org/wiki/File:Humanstemcell.JPG Original Episodes Can We Treat Alzheimer’s With Period Blood? https://youtu.be/BVVkvPJLzqg?si=rFWWHkMpWmc2f2Cf 20% of Humans Have An Extra Spleen - Here’s Why https://youtu.be/3xXyBCckWsM?si=vUkvgaGiiCovb2Fs Can You Keep Donating and Regrowing Your Liver? https://youtu.be/rOv7Sr3X-eo?si=aR7lWgX6WBQApsNA Why Can’t I Grow More Teeth? https://youtu.be/uuIhm353_q8?si=dZYj5VXc60M7RbsJ Can Grey Hair Be Reversed? https://youtu.be/Yi6ruj1VJ_U?si=UR-PXbiH9c1bLjIL How Do Animals Re-Grow Limbs (And Why Can’t We?) https://youtu.be/QFa6jP6WgzM?si=YX_OCSSmzN2011r_