Ukuphefumula
-Delile
Dlala ividiyo yezempilo: //medlineplus.gov/ency/videos/mov/200020_eng.mp4Kuyini lokhu? Dlala ividiyo yezempilo nencazelo yomsindo: //medlineplus.gov/ency/videos/mov/200020_eng_ad.mp4Ukubuka konke
Amaphaphu amabili yizitho eziyinhloko zohlelo lokuphefumula. Bahlala ngakwesobunxele nangakwesokudla senhliziyo, ngaphakathi kwesikhala esibizwa nge-thoracic cavity. Umgodi uvikelwe yizimbambo. Ishidi lemisipha elibizwa ngokuthi i-diaphragm lisebenza kwezinye izingxenye zesistimu yokuphefumula, njenge-trachea, noma i-windpipe, ne-bronchi, zihambisa umoya emaphashini. Ngenkathi ulwelwesi lwe-pleural, kanye ne-pleural fluid, kuvumela amaphaphu ukuthi ahambe kahle ngaphakathi komgodi.
Inqubo yokuphefumula, noma ukuphefumula, yehlukaniswe izigaba ezimbili ezihlukile. Isigaba sokuqala sibizwa ngogqozi, noma ukuhogela. Lapho amaphaphu ehogela, i-diaphragm iyavumelana bese idonsela phansi. Ngasikhathi sinye, imisipha ephakathi kwezimbambo iyahlangana bese idonsela phezulu. Lokhu kukhulisa usayizi wesigcawu se-thoracic futhi kunciphise ingcindezi ngaphakathi. Ngenxa yalokho, kungena umoya futhi ugcwalise amaphaphu.
Isigaba sesibili sibizwa ngokuthi ukuphela kwesikhathi, noma ukukhipha umoya. Lapho amaphaphu ekhipha, i-diaphragm iyakhululeka, futhi nomthamo womgogodla we-thoracic uyancipha, kuyilapho ingcindezi engaphakathi kwawo inyuka. Ngenxa yalokhu, inkontileka yamaphaphu nomoya uphoqelelwa ukuba uphume.
- Izinkinga Zokuphefumula
- Izifo Zamaphaphu
- Izimpawu Ezibalulekile