Ukuphefumla
Umxholo
Dlala ividiyo yezempilo: //medlineplus.gov/ency/videos/mov/200020_eng.mp4Yintoni le? Dlala ividiyo yezempilo ngenkcazo yomsindo: //medlineplus.gov/ency/videos/mov/200020_eng_ad.mp4Ushwankathelo
Imiphunga emibini ngamalungu aphambili enkqubo yokuphefumla. Bahlala ngasekhohlo nasekunene kwentliziyo, ngaphakathi kwisithuba esibizwa ngokuba sisisu somqala. Isisu sikhuselwe ngumbambo. Iphepha lemisipha elibizwa ngokuba yidayaphragm lisebenza kwezinye iinxalenye zenkqubo yokuphefumla, enjenge-trachea, okanye i-windpipe, kunye ne-bronchi, ehambisa umoya kwimiphunga. Ngelixa inwebu yeembumba, kunye nolwelo olunxibayo, vumela imiphunga ukuba ihambe ngokutyibilikayo ngaphakathi kwisisu.
Inkqubo yokuphefumla, okanye ukuphefumla, yahlulwe yangamacandelo amabini ahlukeneyo. Isigaba sokuqala sibizwa ngokuba yimpembelelo, okanye ukusezela. Xa imiphunga itsalela ngaphakathi, idyaphragm iyanxibelelana kwaye itsalele ezantsi. Kwangelo xesha, izihlunu phakathi kwesivumelwano seembambo kunye nokutsala phezulu. Oku kwandisa ubungakanani besisu se-thoracic kunye nokunciphisa uxinzelelo ngaphakathi. Ngenxa yoko, kungena umoya ngaphakathi kwaye ugcwalise imiphunga.
Inqanaba lesibini kuthiwa kukuphelelwa lixesha, okanye ukuphuma komphefumlo. Xa imiphunga ikhupha, i-diaphragm iyaphumla, kunye nevolum yomqala we-thoracic uyancipha, ngelixa uxinzelelo ngaphakathi kwalo lonyuka. Ngenxa yoko, imvumelwano yemiphunga kunye nomoya kuyanyanzelwa ukuba uphume.
- Iingxaki zokuphefumla
- Izifo zemiphunga
- Iimpawu eziBalulekileyo
Sicebisa
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