1: Discover the amazing world of animals with multiple hearts.

2: Octopuses have three hearts, pumping blue blood.

3: Earthworms have five pairs of hearts, aiding in circulation.

4: Hagfish have four hearts, supporting their unique lifestyle.

5: Cuttlefish have three hearts, keeping them agile underwater.

6: Mosquitoes have multiple hearts, aiding in bloodsucking.

7: Squid have three hearts, helping them swim with ease.

8: Jellyfish have multiple hearts, adapting to their environment.

9: Discover more about animals with multiple hearts in the wild.