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What is the blood color of Octopus?

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What is the blood color of Octopus?
posted May 4, 2017 by Navya

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1 Answer

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blue
The blue comes from a copper-rich protein called hemocyanin, which carries oxygen from the lungs to the bloodstream and then to the cells of the octopus's body. Hemoglobin, an iron-containing protein found in the blood of other animals—including humans—serves the same oxygen-transporting function but turns blood red.

answer May 5, 2017 by Shivaranjini
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