Why Does an Octopus Have Three Hearts? | Ep. 1
Why does an octopus have three hearts?
An octopus has one of the strangest circulatory systems in the animal kingdom — three hearts, blue blood, and a completely different way of transporting oxygen.
In this episode of World Map, we explore how the three hearts work together, why octopus blood is blue, how oxygen moves through its gills, and how this incredible animal uses its body to survive in the ocean.
From three beating hearts to amazing camouflage and lightning-fast escapes, the octopus is far more fascinating than it looks.
🌍Welcome to World Map — where we explore the strange, fascinating, and unexpected things that make our world amazing.
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