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An octopus has three hearts and blue blood
Octopuses run on a cardiovascular system unlike anything found in vertebrates: two branchial hearts force blood through the ...
Every octopus carries three separate hearts, yet two of them go silent the instant the animal jets through open water. The ...
Science | Updated: March 13, 2024 | Originally Published: October 31, 2013 These bizarre creatures have been around for hundreds of millions of years, and for humans, they’ve inspired horror, ...
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