These Animals Do Not Have Brains
By: EjazUlHaqBhat
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Many animals don't have a brain, but they can still learn and function
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Here are six animals that do not have brains
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Jellyfish has a simple nerve net that responds to stimuli, but no central brain
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Sea cucumbers have no brain, but can expel most of their internal organs to confuse predators
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Starfish have a simple nervous system and sensory cells that allow them to detect stimuli like touch, temperature, and chemicals in the water
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The hydra has a nerve net that connects sensory photoreceptors and touch-sensitive nerve cells. It does not have a recognisable brain
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Sea anemones, like other cnidarians, don't have a centralised brain. Instead, they have a decentralized nervous system
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Corals, like other cnidarians, including jellyfish and sea anemones, lack a centralized brain
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