Is there any species on this earth who has two hearts? - ProProfs Discuss
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Is there any species on this earth who has two hearts?

Is there any species on this earth who has two hearts?

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Asked by I. Muller, Last updated: Nov 29, 2020

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A. Cook

A. Cook

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A. Cook
A. Cook, English Professor, M.A, Ph.D, Kentucky

Answered Dec 04, 2018

There are occurrences of two hearts but these are bizarre not natural phenomena. A second heart was grafted into a one-year-old's own weak heart surgically to save her life. Some species have three hearts, not two.

These are cephalods such as the octopus, squid and related life forms. Humans have four chambers to their single heart, but some animals have two chambers and some have three chambers.

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