Tag: #DeepSeaMysteries
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The Marvel of the Deep: Why Octopuses Have Three Hearts and Blue Blood

What if your heart suddenly stopped beating while you were running? Sounds terrifying, right? Yet, for an octopus, this is just another day in the ocean. And what if, instead of red, your blood ran blue? No, not metaphorically—literally blue. Strange? Absolutely. But this is exactly how the octopus lives. It defies expectations at every…