How does the nervous system of an earthworm work?

The basis of the nervous system of the earthworm is two nerve trunks, stretched along the entire body. On these trunks there are nerve nodules that form a nerve chain. In front of the worm is the periopharyngeal nerve ring, formed by the junction of large nodules. And already from the nodules, nerves stretched to all the organs of the worm.



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