Enwere ụzọ abụọ nke ihe na-emetụta àgwà nke tubes enweghị nkebi: nchara nchara na ihe usoro ntụgharị.A na-atụle ọtụtụ ihe gbasara usoro ntụgharị ebe a.Isi ihe na-emetụta ya bụ: okpomọkụ, nhazi usoro, àgwà ngwá ọrụ, nhazi nhazi na mmanu mmanu, wepụ ...
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