How many heads does an octopus have?

Octopus has nine heads. Octopus has 1 main brain, plus 8 auxiliary brain systems. Among them, the main brain is the most important brain, located in the head of octopus. The main brain has two main functions, one is thinking and the other is memory. Octopus's accessory brain is in the position of tentacle. Because octopus has eight tentacles, it has eight attached brains. The main function of the accessory brain is memory, not thinking.

Octopus has nine heads. Octopus has 1 main brain, plus 8 auxiliary brain systems. Among them, the main brain is the most important brain, located in the head of octopus. The main brain has two main functions, one is thinking and the other is memory. Octopus's accessory brain is in the position of tentacle. Because octopus has eight tentacles, it has eight attached brains. The main function of the accessory brain is memory, not thinking.