Why Can We Regrow A Liver (But Not A Limb)?

Unlike lizards, humans can’t regrow limbs. But we can kinda-sorta regenerate our livers. Ceri, an undergrad in Biology and Comparative Media Studies at MIT, explains how and why. ---------- Find us online! Facebook: http://www.facebook.com/MITK12 Twitter: http://www.twitter.com/MITK12Videos http://k12videos.mit.edu ---------- made with love at MIT Creative Commons: CC BY-NC-SA, MIT http://k12videos.mit.edu/terms-and-conditions Hosted by: Ceri Riley Written by: Elizabeth Choe & Ceri Riley Additional Scripting by: George Zaidan Content Reviewer: Dr. Heather Fleming, Prof. Sangeeta Bhatia Executive Producer & Doodles: Elizabeth Choe Director: George Zaidan Camera: Adam Morrell Editor & Motion Graphics: Per Hoel Theme song: Anthony Thomas & Neil Aggarwal Music: “Reverie (small theme)” by _ghost (http://ccmixter.org/files/_ghost/25389) Liver cell images courtesy of MIT’s Laboratory for Microscale Regenerative Technologies (http://lmrt.mit.edu/) Special thanks: Stephen Ayer & Jabberwock Reptiles (http://jabberwockreptiles.com/) Dr. Shannon Hughes Dr. P. Connor Johnson Dr. Heather Fleming & Prof. Sangeeta Bhatia of MIT’s Laboratory for Microscale Regenerative Technologies (http://lmrt.mit.edu/)