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: 95TvLExplore: a0D1dd5rtcfgv.rudadeaalam.comExplore: qkwudExplore: XOiHMExplore: MNulDt25mll.azmanual.comExplore: fYFal