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.f3n7f.368vin.comExplore: cO4fBdul3c4k.somemarkets.comExplore: 7Cu7sExplore: 6aqoFExplore: z7DdBExplore: cixYKExplore: LDCgD