Changes

==Nervous System==

==Nervous System==

Knowledge of the nervous system employed by nematodes has enabled the development of many anti-parasitic drugs as they work to disrupt this system. There is a neural ring around the pharynx of the nematode containing 4 ganglia which communicate distally to the body of the nematode to co-ordinate movement.

Knowledge of the nervous system employed by nematodes has enabled the development of many anti-parasitic drugs as they work to disrupt this system. There is a neural ring around the pharynx of the nematode containing 4 ganglia which communicate distally to the body of the nematode to co-ordinate movement. One ventral and one dorsal nerve cord extend distally from the neural ring run down the length of the worm with the hypodermal cord, these are responsible for innervating body wall muscles.  

==Feeding and Digestion==

==Feeding and Digestion==