1: Discover fascinating creatures like octopuses, who boast three hearts in their unique anatomy.

2: Explore the surprising world of earthworms, which contain five pairs of "hearts" along their bodies.

3: Learn about the majestic blue whale and its impressive four-chambered heart.

4: Uncover the secrets of jellyfish, which have multiple hearts that pump nutrients throughout their gelatinous bodies.

5: Marvel at the resilience of axolotls, with their three-chambered hearts that help them regenerate limbs.

6: Delve into the world of hagfish, featuring four hearts that aid in their bottom-dwelling lifestyle.

7: Discover the complexities of squid, with their three hearts that pump blue blood throughout their bodies.

8: Learn about the incredible aardvark and its four-chambered heart that helps it survive in harsh African environments.

9: Explore the amazing world of horseshoe crabs, with their multiple hearts that protect against blood loss and infection.

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