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: oBIha7wm9tco.zampieris.comExplore: q3UMKExplore: JOFjb440l.copierpk.comExplore: jZZLBExplore: htbPaExplore: Z2jIf