E whakaatu taipitopito ana tēnei tauira i te āhua o te arero tangata
E rua ngā wāhanga, ko te wāhanga ko: te hanganga o te arero, e whakamahi ana i tētahi hoahoa taurite, tae atu ki te āhua o te arero, (te tinana o te arero, te turanga o te arero, te pito o te arero, te awaawa rohe, te kōhao matapo o te arero), te hanganga o te tonsil o te arero me te epiglottis.
Ko te wāhanga tuarua: ka whakamahia e te kiriuhi arero tētahi hoahoa whakanuia hei whakaatu taipitopito i te hanganga hohonu me te papaku o te papilla arero (filament papilla, fungus papilla, leaf papilla, contour papilla) he rauemi PVC, he peita ā-ringa.