IKhala

Impumulo noma ikhala liyisitho sokuzwa kanye nesakhiwo sokuphefumula ezilwaneni ezinomgogodla . Yakhiwe umgodi wempumulo ngaphakathi kwekhanda, kanye nekhala elingaphandle ebusweni. Ikhala elingaphandle liwuhlaka olugcina okusemakhaleni, noma ama-nares, amathumbu amabili ahlinzeka ngokugeleza komoya ngekhala ukuze kuphefumuleke . Lapho amakhala edlula khona umgodi wempumulo, ayavuleka, aziwa ngokuthi ama-nasal fossae, futhi aqukethe ama-turbinates kanye ne -olfactory mucosa . Umgodi wempumulo uphinde uxhumeke kuma- paranasal sinuses (izikhala zomoya ezingapheli zokuvimba ingcindezi kanye nokuhwamuka). Ukusuka embotsheni yempumulo, amakhala aqhubekela emphinjeni, oyingcinyi exhumanisa izinhlelo zokuphefumula nezokugaya ukudla .