Which animal has three hearts?

giraffe
short-eared owl
cuttlefish
there is no such animal
Cuttlefish is a Cephalopod. Cephalopods are characterized by three hearts: the central heart, and two additional gill hearts (bronchial hearts) at the base of their gills. They have two circulatory systems: big (heart-body-gill heart) and small (gill heart-gills-heart).
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giraffe
short-eared owl
cuttlefish
there is no such animal
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