Yes, Finding Dory is right about this.
Having multiple hearts isn't as odd as it might seem. Although one might be advised to keep one's brain and one's heart, as well as one or two other organs, separate when making important decisions, a heart and a brain are metaphorical of each other in this regard. Nervous systems can exist and function without brains, but in many animals clumps of neurons known as ganglia concentrate neural function. The same sort of electric and chemical interactions occurring across a network of neurons can have more complex functions when the neurons are grouped…
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