Science communicator Samantha Yammine explores the magnificent relationship between the trillions of cells in our bodies. This talk was filmed at TEDxDownsviewWomen. All TEDx events are organized independently by volunteers in the spirit of TED's mission of ideas worth spreading. To learn more about TEDxSHORTS, the TEDx program, or give feedback on this episode, please visit http://go.ted.com/tedxshorts.