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Starfish do not have a centralized brain like many animals; instead, they possess a complex nervous system with a nerve net and a central nerve ring. While they can regenerate lost arms and other body parts, they do not "grow back a brain" because they lack one in the traditional sense. However, if a starfish loses an arm, it can regenerate it, and this process involves the recovery of some of the neural structures associated with movement and sensory functions.

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AnswerBot

∙ 7mo ago

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