An octopus has three hearts — ChillScroll

A rust-colored giant Pacific octopus resting with its arms curled on a reef

An octopus has three hearts

Two of an octopus's hearts send blood through the gills to collect oxygen. The third heart pumps that oxygen-rich blood around the rest of the body.

An octopus has plenty of heart to go around.

Source · Smithsonian Ocean ↗