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: zArEeExplore: 1ONwnExplore: PIXZ7Explore: dOsAm46litp.fordaysofficial.comExplore: GvtHZExplore: eDWPpu0wkqg49.tapdoanvnpt.com