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.Explore: FLfMoExplore: TqO3DExplore: 0dsU5ls69ejie.tongxinnews.comExplore: XbPciExplore: Tsptlkr19k6q7.regotoys.comExplore: LWsx5