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AnimalsSurprise 5/5Difficulty 3/5Reviewed on October 17, 2026

Some sea cucumbers expel their own internal organs to distract predators and then grow them back.

Why it is true

When threatened, they contract their body and push out part of the gut and other organs, which act as a decoy. Within a few weeks the tissues regenerate and the animal works normally again.

Source: Smithsonian Ocean

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