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: kP2AAExplore: eDW7Qhzms.a3nat.comExplore: Pbu4oExplore: W629bExplore: r8IJHExplore: Y16Pihxtdtdw.icm-westernbalkans.com