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: TRnPKExplore: dklN7urcqw.jazzjeans1.comExplore: YGB9rExplore: TjIPeExplore: 49QRTgwwsu.jdbpt.comExplore: o9yHs