Question

how many hearts and brains an octopus have? which colour blood an octopus have?

Answer 1

An octopus has three hearts, nine brains, and blue blood. Two hearts pump blood to the gills, while a third circulates it to the rest of the body. The nervous system includes a central brain and a large ganglion at the base of each arm which controls movement.

Answer 2

An octopus has 3 hearts , 9 brains (one central and the others each in 8 arms) . The colour of its blood is blue .

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