Friends not food. 🩵🐙 Octopuses have 9 “brains.” One central brain is used for overall control. At the base of each arm is a group of nerve cells which can control each arm independently, acting as smaller “brains.” This decentralized setup contributes to their impressive problem-solving abilities. Their intelligence and memory is considered highly advanced among invertebrates. 🧠 Octopuses have three hearts. Two pump blood to the gills, while the third pumps it to the rest of the body. ❤️ Pl...