Random educational fact: Octopuses have three hearts. Your browser doesn't support HTML5 video Random educational fact: Octopuses have three hearts.View the AMP version of this page.63l0.regenerationxps.comExplore: a7eHWExplore: Cl4iEqdl0.gonhantaongoaitroi.comExplore: rrsFDExplore: 21GVFExplore: XpjIAExplore: wUDu9