Which of the following sea animals has four hearts? This question was asked in Alipay Magic Ocean’s popular science Q&A on September 6. Many friends still don’t know the answer to this question. It doesn’t matter, then the editor will introduce to you the answers to the 2024.9.6 Magical Ocean Science Questions and Answers.
>>"Alipay" Magic Ocean Science Questions and Answers Summary<<
Which of the following sea animals has four hearts?
Hagfish
Hagfish look similar to eels, but their eyes have been degraded. The notochord is cartilage and the skin is loose so that it can be knotted when eating. The creature has four hearts and its body's blood volume is at least twice that of a fish of the same size, giving it a powerful blood transfusion capability.
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