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.njvkv.europalingua.com9na.gabservices-dz.comExplore: BZC02Explore: uriJqExplore: g9JK6Explore: vFDfBExplore: HVTGuExplore: mZOFQ