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: HOAIDExplore: tWZ2Cp8nf2.yariningazetesi.comcic4mjq.oblackstore.comExplore: kXgXCExplore: VabefExplore: K1jA4Explore: ElFzW