Living Without A Brain: The Remarkable World Of Brainless Animals

Aug 02, 2024 Anshu Bajaj

SEA SPONGES

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JELLYFISH

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Starfish lack a central brain but use a nerve ring and radial nerves to move and regenerate limbs

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These echinoderms have a basic nerve net and no brain, relying on their hydraulic system for movement and feeding

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Sea urchins lack a brain but use a nerve ring and radial nerves in their spines, along with tube feet for movement and feeding

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