Isakhiwo kwabantu. Yethumbu nemisebenzi yayo

Kwizifundo zabafundi komzimba ukufunda ngokweenkcukacha isakhiwo emathunjini yabantu kwimifanekiso. Akumangalisi oku, ngenxa yokuba lo umzimba kuphela ikhonkco yokugqibela yenkqubo yokwetyisa, ukuqinisekisa ukurhoxiswa ukutya, kodwa wenza inani imisebenzi ebalulekileyo emzimbeni womntu. Umzekelo, unikeza izondlo ezibalulekileyo, inika immunoglobulin yabantu. Zizonke Ubude emathunjini nama-7-8 m. Le sayizi umzimba ayimangalisi abantu, baye bafunda isakhiwo mntu. Yethumbu yahlulwe yangamacandelo eqhiwukileyo, ebe abe ekhethekileyo (nakuba efanayo) isakhiwo kunye nokusebenza.

unobumba omncinci

Ngqo ukusuka nesisu-ekuthiwa emathunjini amancinci. Ubude baso abangama-4-5 m, kodwa ibekwe ngaphakathi kwemigaqo esiswini. Le emathunjini amancinci yahlulwe lo duodenum, a longitudinal kunye jejunum. Ekuqaleni emathunjini amancinci nama-3-4 cm ububanzi, yaye isiphelo -. 2-2.5 cm Duodenum iqulethe imingxunyana ezikhethekileyo - zokuphuma ukuba imibhobho ze senyongo kunye esibindini. Nature banakekela ukuba isakhiwo oluchanekileyo umntu. Amathumbu Kanjalo lula Yodilizwa iikhabhohayidrethi, amafutha kunye neeproteni. Emini, umzimba womntu uvelisa malunga 3 iilitha juice obrak wokudla, nolunceda ekugayeni ukutya. Ubume emathunjini yabantu busenza ukuba a villi ngokukhethekileyo emathunjini amancinci. Bona ngokwabo ziqulathe iinqanawa ezincinane emithanjeni kunye negazi, ezo wendele iiminerali, iivithamini kunye nezinye izinto eziyimfuneko.

Ugxininiso ngokukodwa ukuba kwenziwe zikhusela ye emathunjini amancinci. Ke yona ukudala kuphela izilwa-buhlungu, kodwa ke ukhuselo yityhefu ebantwini. Eyona nto kukuba eludongeni kwamathumbu iqulethe iindawo nkovu ukuba Nokwethisa izinto eziyityhefu.

Amathumbu amakhulu

Isiphelo undigested ukutya inceda ukubonelela isakhiwo ogqibeleleyo umntu. Yethumbu idlala indima ephambili kule nkqubo. ISebe wacela lo msebenzi ubalulekileyo, ebizwa zamafu. Kwakhona kwiinxalenye ezintathu: iimfama, ikholoni kunye isikali. ubude bazo abangama-1.5 m. Le nefoni lokuqala liyaqhubeka emathunjini amancinci, kodwa ibekwe phakathi caba onqanda ukubuyela emva ukutya. Ubude lilonke le cecum - 8 cm. Iqulethe i (0.5 cm) inkqubo elincinci kakhulu elibizwa ngokuba appendix. Kweendonga zawo kukho inani elikhulu ezalathelwe nkovu, yaye kukho umqobo yendalo elwa. In isihlomelo phinda iintsholongwane coliform - njengesakhi ebalulekileyo yamajoni omzimba. Xa ususa anyhashwe inkqubo isakhiwo yabantu, namathumbu oko uyayeka ukukhusela ngokupheleleyo emzimbeni. Akunakuze kubekho iingxaki kunye amajoni omzimba.

emathunjini ngqo umphetho

emathunjini emathunjini iqulathe ungqameko apho kwakheka esitulweni. Ngokungafaniyo zingcakacile, oko aliqulathanga iintshengece. Kuye yencindi ezingakumbi, nto leyo inceda ithe lula ukuya kwisebe elilandelayo - isikali. Le inxuwa alixakekanga kakhulu tye, kuba iqulathe isahlulo eyandisiweyo ekuthiwa ampoule. Igcina sicatshulwa emathunjini we isikali kwi lomsele ezimpundu. Isitulo frequency kuxhomekeke kwizinto ezininzi, kodwa urhulumente oluqhelekileyo kungenxa 1 xesha iintsuku 2-3, okanye yonke imihla.