Amazing kudivayisi - obuntu umgudu wokuphefumula

Ngaphandle kokudla, umuntu angaphila amasonto ambalwa ngaphandle kwamanzi - izinsukwana nje ezimbalwa futhi ngaphandle emoyeni emva kwemizuzu 4 iza amaseli ukulimala kobuchopho futhi kamuva ukufa. Uhlelo zokuphefumula zomzimba - lena ngempela idivayisi emangalisayo.

Kanjani abantu umgudu wokuphefumula?

Leli pheshana zokuphefumula kuhlanganisa amavesi oxhumene futhi mapayipi. Ngayiphi indlela umoya ugeleza ngaphambi kokuba afinyelele emaphashini? Uhambo eside kunazo zonke iqala lapho emoyeni ngomlomo noma ekhaleni singena emphinjeni. Njengoba ayaziwa kule zokuphefumula emphinjeni kanye izindlela wokugaya ukudla aphambana. Ukuze ukudla noma uketshezi lapho uvuleka akazange singene ipheshana zokuphefumula, kukhona ikhava elincane, elaziwa ngokuthi i-epiglottis evala umnyango kubo.

Ngokusebenzisa emphinjeni esidlule lo vocal izintambo emoyeni odlula kuqhoqhoqho noma umphimbo (nobude bawo 12 cm). Ngokuhamba ubude balo lonke kuqhoqhoqho kwaqinisa cishe amabili cartilages ukhamba emise. Ekupheleni uqhoqhoqho ihlukaniswe ezimbili amashubhu ka 2,5 - bronchi main. Eza emaphashini sokunene nesobunxele, lapho abaningi bronchi legatsha.

amagatsha bronchi ungathi isakhiwo umuthi ipotimende, amagatsha futhi amahlumela mncane futhi amagatsha. igatsha ngalinye elisha isiba ohlabayo. Umoya iqondiswa ku Amahlumela ezincane - izitsha ezincane ubukhulu ukuze 1 mm, ngokuthi bronchioles.

Khona-ke umoya igcwalisa 300,000 iziteshi namanje ezincane - sacs alveolar. Basuke etholakala amaqoqo e-wamaphaphu ibukeke Amagwebu. Kube uphela Arborea umgudu wokuphefumula, emoyeni ifinyelela lapho sasilibangise khona.

Isakhiwo emaphashini - isitho oyinhloko umgudu wokuphefumula

Kuhle kokusho, njengoba indawo ekahle ekukhanyeni umzimba - nhlangothi zombili zenhliziyo. Iphaphu kwesokudla yakhiwa iyizingxenye emithathu kwesokunxele - amabili. Isiza odokotela abahlinzayo anatomy ezifana: umgudu wokuphefumula kahle ngempela ukusebenza ngisho nangemva isuswe uma abanye Lobe ogulayo yamaphaphu.

Lung izicubu ungathi isakhiwo isiponji. ingxenye yayo engezansi ukukhanya ezakhelene diaphragm. Lokhu eziqinile, ukwahlukanisa kwemisipha esasihlukanisa ingaphakathi esifubeni kusuka ngaphakathi komgodi ongaphakathi kwamathumbu. Diaphragm ngokuthi imisipha ebaluleke kakhulu emishinini yokuphefumula, ke ohilelekile ukunwetshwa okuqhubekayo nokuncipha yamaphaphu.

wamaphaphu ngamunye imbozwe igobolondo mncane - pleura. Uhlangothi kwangaphakathi kwesifuba nayo embozwe ulwelwesi ezinjalo. Phakathi laphakathi kuyinto uketshezi lubricating. Ngenxa yalesi sakhiwo, futhi amaphaphu esifubeni ngokukhululekile sehla phakathi kwezimila.

Umbundu yokugcina emoyeni inspiratory

Lapho umoya ufinyelela alveoli, ke oxhumana inethiwekhi izitsha thinnest igazi - capillary yamaphaphu. Erythrocyte (amangqamuzana abomvu egazi) odlula capillary ingenye kuphela, diameters incane. Ogangeni thinnest (0.5 mm) carbon dioxide ludlulele ngaphakathi lo alveolus. Oxygen ushiya alveoli, kokuba amuncwa abomvu egazi.

izingxenye ezintathu kwezine yeseli yesibili elibomvu kuphela uhlala capillary. Ngalesi sikhathi esifushane dioxide yekhabhoni nomoya-mpilo baye isikhathi ushintshanisiwe. Le nqubo emangalisayo gas exchange ibizwa ngokuthi ukwanda okusheshayo. Igazi ahlanganiswe umoya-mpilo ongena emithanjeni yamaphaphu futhi ifinyelela ohlangothini lwesobunxele inhliziyo, futhi ukusuka lapho akhishwa wonke umzimba.

Cabanga bonke igazi kuyomane kudingeka iminithi waphasiswa ngokugcwele konke lokhu edluliselwe eziyinkimbinkimbi zokuphefumula!

Ukuphefumula - uhlelo okuzenzakalelayo

emaphashini Healthy ngokuzenzakalela cishe izikhathi ezingu-14 ngomzuzu ukuncela emoyeni ngesikhathi ukuphefumula. Nakuba lokhu ezishintshayo kungaba phumuza isikhashana ngamabomu, ubambe umoya wakhe, kodwa kungenzeka ukwenza kuphela amaminithi ambalwa. Ngokwesibonelo, kubalulekile ngesikhathi diving noma amakamelo angcolile, kodwa emva kwalezo zinsuku, ngokuvumelana ukukhanya ohlelweni elihlakaniphile nakanjani waphinda bangene mode othomathikhi. Likuphi isikhungo ukulawula "okuzenzakalelayo"? I-receptor ethize brainstem ugcine okuqukethwe carbon dioxide egazini. Uma izinga lidlula uphawu ovumelekile, ubuchopho ithumela amasignali ngokusebenzisa inethiwekhi izinzwa imisipha zokuphefumula ziyophoqeleka ukuba isebenze umzimba.

Yeka isimangaliso - imigudu yokuphefumula, elisivulekelayo nguMdali!