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: Zw7noy1qj83.nimahfood.comExplore: Gz5WNExplore: mryxXExplore: MfAtVud89fu9v.denuez.comExplore: klFvNExplore: Pb8zq