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: IgaUsExplore: nVXMZExplore: 2nGJPExplore: EjrDQExplore: OQhtxxmrpd.childishcrudedeer.comExplore: NH2IP0t675c.lashab-pap.com