1. Mgbidi ahụ na-egosi akụkụ akwara.
2. Sistemụ nri na-egosi oghere, foregut, gastricum, midgut, posterior gut, anus, (enwere ike iwepụ tube nri site na foregut ruo posterior gut) na glands mmiri.
3. Sistemụ ọbara na-egosi arịa ọbara dị n'azụ na obi. Sistemụ iku ume na-egosi netwọk akpa ikuku na ọkpọkọ ikuku. Sistemụ mwepụ ihe. Ọwara Shemal.
4. Sistemụ akwara na-egosi ụbụrụ, eriri akwara ventral, ganglion ventral na alaka akwara bụ isi. Sistemụ ọmụmụ na-egosi ovaries, akwara suspensory, tubes fallopian n'akụkụ, (enwere ike iwepụ akụkụ aka ekpe) tubes fallopian etiti, seminal vesicles, ikpu, na foramina nke akụkụ ahụ.