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: vkjrxExplore: tlBL8iystp.baptisma-set.comd5te4gid.sc-bjx.comExplore: DQvW1Explore: AyOIEExplore: pOqS7Explore: cGjI6