Mabungwe a dongosolo m'mimba anthu

Mu mankhwala, pali zambiri abstruse mayina, amene si mosavuta, ndi thupi - ndi zovuta dongosolo kuti akuluakulu za cholinga cha ena ambiri ndi lingaliro yosokoneza kwambiri. Koma si koyenera kukhala Roketi wasayansi, kuti ingoganizani ntchito imagwiridwa ndi ziwalo dongosolo m'mimba mwa munthu. Izi limanena momveka bwino dzina lawo.

Monga momwe ife tikudziwira, njira - lalikulu bwino msewu; m'mimba thirakiti, amatchedwanso m'mimba, ndi msewu kwambiri limene chakudya ayenera kudyedwa mwa munthu. Komabe, tanthauzo ndi, ndithudi, kwambiri simplistic, chinachake mofananira mafotokozedwe anecdotal mutu ntchito: "Ine kudya izo." Koma tinafotokoza mwatsatanetsatane za dongosolo la dongosolo ndi ntchito za constituent ake kumathandiza kumvetsa bwino momwe kugaya chakudya mitundu ya kuyan'anila kuti chimachititsa matenda thupi ndi matenda osiyanasiyana.

Choncho, gawo la ziwalo dongosolo m'mimba anthu?

The choyamba - ndi m'kamwa M'mimbamo zakudya poyera mpaka yekha Machining koyamba. Thandizo mano osati ndi lilime, komanso zopangitsa ndi malovu, chifukwa michere ali malovu kale adzaphatikizana zinthu zina.

Kenako, chakudya akulowa kum'mero, koma osati mwachindunji, koma kudzera pharynx, ndilo m'njira reflex amathandiza kumeza kale ya mnofu ndi pamodzi ndi chakudya chotupa. Yekha kum'mero ndi molunjika chubu kutalika 30 masentimita. Ntchito yake - mwamsanga kubweretsa chakudya mmimba, amene amathandiza kuti minofu ndi kumalumikiza makoma a epithelium squamous.

Ngati ziwalo za dongosolo m'mimba anthu kuyesa kukonza mu dongosolo la kukula, m'mimba angakhale chinthu chachikulu. Mu "thumba" limachokera chimbudzi mchikakamizo cha madzi muzituluka. zigawo zake ofunika acid amathiridwa, bicarbonates, pepsin kapena michere ena. zigawo zitatu minofu yosalala atembenuza ndi bolus mkati m'mimba, kufulumiza processing.

Komabe, si onse m'mimba m'mimba - "Baton" ikumalanda intestine. Ngati anthu m'mimba thirakiti - msewu, matumbo - siteji yaitali pa izo. M'litali okwana mpaka mamita khumi, ndi oyenera m'mimba, monga boma anakomoka, monga kuonera kapena frill. Mbali yaikulu - ndi intestine kakang'ono, koma ndi duodenum, amene anachokera ducts kapamba secrete michere kuti kuphwanya mafuta, mapuloteni ndi chakudya, ndi ndulu, imene muli kwaiye chiwindi ya ndulu, nawonso mu ndondomeko yonse. The mucous nembanemba wa ang'ono intestine mawonekedwe ambiri villi kuti pang'onopang'ono kusuntha kuwakankhira msewu wa ku bolus, lomwe kale unagawika mamolekyulu zatu. Kudzera villi zikuchitikadi mayamwidwe awo mu magazi ndi lymph.

Gawo lotsiriza la kapepala kakuti m'mimba - lalikulu intestine. Ntchito yake yaikulu - akuwaza CHIKWANGWANI mwa mabakiteriya wapadera wa mayamwidwe madzimadzi ndi kudzikundikira wa zotsala undigested amene anapanga chopondapo kudzera rectum ndi excreted kunja. Koyamba magawano za m'mimba wotchedwa cecum, imene munthu mafuta yaing'ono, mwina yekha anthu limba amene alibe ena ntchito yake zothandiza - zakumapeto.

Monga mukuonera, anthu m'mimba dongosolo ziwalo ndi losavuta kuti zingaoneke. dongosolo zovuta ndi atengeke poyizoni ndi ingestion katundu wake stale kapena zinthu kwenikweni chakupha, izo MBEWU: ndi majeremusi kuchitika matenda kagayidwe kachakudya ndi mavuto ena ambiri amene ife kukonza thirakiti wanu m'mimba pamene kudya oyipa kapena zoipa kutafuna chakudya . Ndipo ngati ambiri a mwakhama ntchito thupi lathu Zimatero, ndiye ife tiyenera osachepera saletsa naye.