How many more years do you have to go? order yagara Anatomically speaking, the worms possess a mouth, intestine, pharynx and gonad. Male roundworms possess a vas deferens, gonad and tail, exercised for mating purposes, whilst hermaphrodites have a uterus, oviducts, ovaries and a sperm-storing organ called a receptaculum seminis. 必須 2000文字以内 [bbs:youtube:(Youtubeの動画ID)]と書くとYoutubeの動画が貼れます。(例:[bbs:youtube:OQThUAQ0UN0])