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Did you know octopuses have THREE hearts and BLUE blood? 🐙💙

**Octopuses are some of the most fascinating creatures in the ocean—and here's a crazy fact: they have THREE hearts and BLUE blood! 🐙💙**

Two of their hearts pump blood to their gills to collect oxygen, while the third heart sends that oxygenated blood to the rest of their body. But here's the real twist: their blood is blue, not red! That’s because octopuses use a copper-based molecule called hemocyanin to carry oxygen instead of the iron-based hemoglobin we humans use. Copper gives their blood that deep blue color—perfect for surviving in cold, low-oxygen waters. 🌊

This is just one of the many mind-blowing facts hiding in the deep sea. The ocean is full of creatures stranger than fiction—and octopuses might just be the smartest and weirdest of them all.

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Видео Did you know octopuses have THREE hearts and BLUE blood? 🐙💙 канала Andy Benjamin
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