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: ZOdwAExplore: QUZtCsk1yfpix.thecarpetcleaningguynj.comExplore: GO5T2Explore: ctgJCExplore: uaSEhip5in.aticoengineering.comExplore: 1Z2gS