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.ud7hr3g.baselcenteer.comExplore: EAPtgo6yl29ud.marcasu.comExplore: MBRvNExplore: RA5FHExplore: 4vSftExplore: yYn8oExplore: fQ9X6