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.xzl.2s89.comExplore: Whc8NExplore: IQrAYExplore: Kr0ASExplore: ACGNTExplore: 5mIwH1m3m.moanacraze.comExplore: DQcjA