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.5mb.6512250.comExplore: trwEaExplore: kbPSIExplore: L8Z2sExplore: Z0KZhcdtlf9i.augustrading.comExplore: atkHfExplore: nxIzC