Which animal has more than one heart?

Which animal has more than one heart? zoom_in

The octopus has three hearts. Two of the hearts work exclusively to move blood beyond the animal's gills, while the third keeps circulation flowing for the organs.

Sources & Related Links

en.wikipedia.org/wiki/Octopus
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Martin
Editorially reviewed Martin (November 17, 2023)
Jimmy
Answered Jimmy (November 17, 2023)

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Which animal has more than one heart?

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