Isixhobo Amazing - isixokelelwano sokuphefumla abantu

Ngaphandle ukutya umntu aphile iiveki eziliqela ngaphandle kwamanzi - kwiintsuku nje ezimbalwa yaye kungekho umoya emva kwemizuzu 4 ifike iiseli ukonakala kwengqondo kunye kamva nokufa. Isixokelelwano sokuphefumla umzimba - oku ngokwenene isixhobo emangalisayo.

njani inkqubo yokuphefumla zabantu?

Eli phecana yokuphefumla kuquka iindinyana amaqhina oqhagamshelwano kunye imibhobho. Yeyiphi indlela komoya phambi kokuba ifikelela emiphungeni? Uhambo mde iqala xa umoya ngomlomo okanye impumlo ungena umqala. Njengoko waziwa, kwi yokuphefumla emqaleni kunye umendo esiswini phambana. Ukuze ukutya okanye ulwelo lo gama yokuginya abazange bayifumane kwisiqwenga yokuphefumla, kukho isiciko encinane, eyaziwa ngokuba epiglottis ivale yokungena kubo.

Esebenzisa umqala ezidlulileyo vocal iintambo umoya ogxuphuleka uqhoqhoqho okanye uqhoqhoqho (ubude bayo ngu 12 cm). Phezu ubude bayo yonke uqhoqhoqho bya cartilages intsimbi yehashe-ezimile malunga amabini. Ekupheleni uqhoqhoqho wahlulwe zohlobo lwe 2.5 cm - bronchi ephambili. Baya kuza imiphunga ekunene nasekhohlo, apho abaninzi bronchi yesebe.

eyayizalwa bronchi ifuze isakhiwo umthi kunye isiqu, amasebe obu- ezingcakacileyo, kunye namasebe. isebe elitsha nganye buya thinner. Umoya sibhekiswe ibe ngamasetyana ezincinane - iinqanawa omncinci ku-1 mm, ebizwa bronchioles.

Ngoko ke umoya ugcwalisa imijelo 300,000 nangoku ezincinane - njengamaqhakuva alveolar. Bona akhiwe ezisebenzisanayo kwi wemiphunga khangela njenga maqampu ezincinane. Kukho iphela Arborea inkqubo yokuphefumla, yaye umoya ufikelela kwindawo yokugqibela.

Ubume emiphungeni - i-organ eyintloko isixokelelwano sokuphefumla

Kufanelekile ukuba sikhankanye, njengoko kwindawo efanelekileyo ukukhanya emzimbeni - kumacala omabini intliziyo. Kwemiphunga Ilungelo siqulathe isithinzi ezintathu nangasekhohlo - ezimbini. Inceda oogqirha komzimba ezinjalo: isixokelelwano sokuphefumla kakhulu kakuhle ukusebenza nasemva kokuba isuswe ukuba ezinye lobe lokugula kwemiphunga.

Lung tissue kufana isakhiwo isiponji. inxalenye yayo esezantsi ukukhanya ezikufutshane uvalo. Oku songo, ulwahlulo dystrophy eyahlula lweHo- isifuba kwisisu. Kovalo ebizwa umsipha lubalulekileyo yokuphefumla, ukuba babandakanyeke ukwanda okuqhubekayo kunye yindibanisela emiphungeni.

lung nganye engabandakanywanga kwiqokobhe obhityileyo - pleura. Icala ngaphakathi ye esifubeni nako wambu inwebu onjalo. Phakathi kwezibini zomaleko yi ulwelo ethambisayo xa iqatyiwe. Ngenxa kule sakhiwo, kunye nemiphunga, kunye nesifuba ushebelezise ngokukhululekileyo ngexesha nokuphefumla.

umbundu lokugqibela Umoya inspiratory

Xa umoya lufika alveoli, ukuba abafowunelwa uthungelwano imithambo thinnest igazi - ezi ngcanjana miphungeni. Erythrocytes (iiseli ezibomvu zegazi) uyakwazi uwele emithanjeni mnye kuphela, ngobubanzi elimxinwa. Esebenzisa udonga thinnest (0.5 mm) icarbon dioxide singena alveolus. Ioksijini kushiya alveoli, ukuba lilo iiseli ezibomvu.

-Kwiikota ezintathu iseli yegazi yesibini elibomvu kuphela lihlale emithanjeni. Ngeli xesha lifutshane icarbon dioxide neoksijini ziye ixesha uhlele. Le nkqubo emangalisayo yokuchaza igesi kuthiwa kwe-. Igazi ahlanganiswe ioksijini engena imithambo pulmonary yaye ifikelela icala lasekhohlo wentliziyo, kwaye ukusuka Impontshelwa apho wonke umzimba.

Khawube nomfanekiso lonke igazi kuza kufuneka nje umzuzu ukuze ligqithise ngokupheleleyo yonke le relay entsonkothileyo zemiphunga!

Ukuphefumla - inkqubo oluzenzekelayo

imiphunga Healthy ngokuzenzekelayo malunga izihlandlo ezili-14 ngomzuzu ukufunxa umoya ngexesha uphefumla. Nangona lo matshini unokuba ngabom ikhefu, ebambe umoya wakhe, kodwa kusenokwenzeka ukuba nje imizuzu embalwa. Umzekelo, ukuba kuyimfuneko ngexesha diving okanye amagumbi ezingcolisekileyo kukuthi, kodwa emveni koko xesha, ngokutsho ukukhanya kwinkqubo luli liya kuthi kwakhona nakanjani ukuya kwimo oluzenzekelayo. Iphi na iziko kolawulo 'oluzenzekelayo "? Ii-ezithile brainstem ugcine isiqulatho carbon dioxide egazini. Xa umgangatho udlula uphawu avumelekile, ingqondo uthumela imiyalezo ngokusebenzisa uthungelwano luvo kunye izihlunu zemiphunga kuya kunyanzeleka ukuba owenziwe umzimba.

Hayi ummangaliso - inkqubo yokuphefumla, phambi kuthi ngayo uMdali!