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Не известно, факты о hydraruzxpnew4af

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The nervous system of Hydra is a nerve net, which is structurally simple compared to more derived animal nervous systems. Hydra does not have a recognizable brain or true muscles. Nerve nets connect sensory photoreceptors and touch-sensitive nerve cells located in the body wall and tentacles. “If you or I https://beckettsycgj.free-blogz.com/51997656/Факты-о-hydraruzxpnew4af-Показали

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