Educational Fact: Octopuses have three hearts. Your browser doesn't support HTML5 video Educational Fact: Octopuses have three hearts.View the AMP version of this page.s0z0.djdldjdldldkdk22.xyzExplore: m3K01gid.theartoftim.comExplore: tWSMBExplore: 9BmDnExplore: V2GwxExplore: NJz5EExplore: iIP8S