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patriot [66]
3 years ago
13

Why do octopuses have 3 hearts?

Biology
2 answers:
avanturin [10]3 years ago
6 0
Two branchial hearts pump blood through each of the two gills, while the third is a systemic heart that pumps blood through the body. Octopus blood contains the copper-rich protein hemocyanin for transporting oxygen.
chubhunter [2.5K]3 years ago
4 0
Two branchial hearts pump blood through each of the two gill, while the third pumps blood through the body.
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