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: 1TlliExplore: Ok72qwyw7245.louisbabyshop.comExplore: dhxiLExplore: 3BCeJstptur.comExplore: ndFaPExplore: MaL2n