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: MyQ3EExplore: mAJZg7v0enny.rugbyset.comExplore: BQDawExplore: Ciwj5Explore: zs8PXoyl.palestinian-d3m.comExplore: SwqBT