How do octopus hearts work?

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My Snapple fact for today was “an octopus has 3 hearts”.

My question is, “do they operate in series, in parallel, or in 3 separate systems?”

Thank you

In: Biology

1 Answer

Anonymous 0 Comments

They have one heart like ours, and then a pair of gills that have 1 heart each. Hard work getting enough oxygen out of water.

https://c02.purpledshub.com/uploads/sites/41/2018/07/QA-Octopus-Hearts-FINAL-c931583.jpg?webp=1&w=1200