The Human Body, Redefined Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email A physician by trade, and a explorer by nature, Gavin Francis charts the anatomy of the human body through a series of vignettes published in his new book. ( BSIP/UIG / Getty ) Produced by Ellen Frankman Produced by PRI and WNYC