There are 5 animals across the world that have multiple hearts

The octopus is a highly intelligent and adaptable marine creature

The squid squid are found in the ocean and are often found with prominent tentacles

Hagfish are jawless marine creatures that produce copious amounts of slime as a defence mechanism

Cuttlefish are known for their unique wshaped pupils and internal shell that helps control buoyancy

The earthworms play a vital role in soil health by aerating and decomposing organic matter

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