Octopuses Have Three Hearts? Fake!
Cold Knowledge SpreadingOctopuses have three hearts? FakeOctopuses are a very magical creature, and there have been rumors on the internet that they have three hearts, but that's not actually the case. As a branch of mollusks, octopuses have evolved to form a circulatory system similar to a closed loop, so they have two extra gill hearts, which are made of muscle. The jumping you see is the squeezing of blood to eliminate impurities, not the beating of a heart.
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