A cuttlefish has three hearts. Two of them are responsible for pumping blood to the large gills, while the third heart c…

A cuttlefish has three hearts. Two of them are responsible for pumping blood to the large gills, while the third heart circulates oxygenated blood to the rest of its body. This unique anatomy supports the cuttlefish’s complex physiology, making it a fascinating creature of the ocean.

@science