Anthu dongosolo. The intestine ndi ntchito zake

Pa maphunziro a ophunzira thunthu kuphunzira mwatsatanetsatane dongosolo za m'mimba anthu zithunzi. Zimenezi n'zosadabwitsa, chifukwa thupi ili si kugwirizana otsiriza a dziko m'mimba, kuonetsetsa achire chakudya, komanso amachita angapo ntchito zofunika kwa thupi. Mwachitsanzo, amapereka zofunika zakudya, imapereka immunoglobulin anthu. Onse kutalika kwa intestine ndi pafupifupi 7-8 m. Kukula Zimenezi n'zosadabwitsa thupi la anthu, amene aphunzira kapangidwe ka munthu. intestine agawidwa magawo osiyana, omwe wapadera (ngakhale ofanana) kapangidwe ndi ntchito.

yaing'ono intestine

Mwachindunji kuchokera m'mimba ndi wotchedwa wa intestine yaing'ono. M'litali okwana 4-5 m, koma aikidwa mkati malupu pamimba. The intestine yaing'ono lagawidwa duodenum, ndi kotenga ndi jejunum. Kumayambiriro za m'mimba ang'ono ndi pafupifupi 3-4 masentimita awiri, ndipo mapeto -. 2-2.5 masentimita Duodenum lili mipata wapadera - ogulitsira kwa ducts ya ndulu ndi chiwindi. Nature mbamphedza kuti anali dongosolo olondola a munthu. Matumbo Choncho mosavuta kuphwanya chakudya, mafuta ndi mapuloteni. Masana, thupi limatulutsa 3 malita a madzi zamchere m'mimba, amene amathandiza ndi chimbudzi chakudya. Kapangidwe ka matumbo anthu kumapereka lingaliro ndi villi achilendo mu intestine yaing'ono. Iwo ali wamng'ono lymphatic ndi magazi zotengera, amene odzipereka mu mchere, mavitamini komanso zinthu zina zofunikira.

motsindika makamaka ayenera kuchita pa ntchito poteteza za m'mimba yaing'ono. Koma si yekha kupanga mankhwala akupha, komanso kuteteza poyizoni anthu. Chinthu ndi kuti matumbo khoma lili lymph mfundo kuti n'chongoletsa poizoni.

m'mimba

Kutsiliza undigested chakudya kumathandiza kupereka dongosolo langwiro la munthu. The intestine ndi mbali yaikulu pa ntchito imeneyi. Dipatimenti apatsidwa ntchito yofunika imeneyi, wotchedwa wandiweyani. Iye alinso mu zigawo zitatu: akhungu, m'matumbo, rectum. kutalika okwana 1.5 m. The foni yakumanja woyamba akupitiriza kwa intestine kakang'ono, koma aikidwa pakati pa khumudwitsidwa amene kumathandiza asabwere chakudya. The utali wonse wa cecum ndi - 8 cm. Lili ndi ochepa kwambiri (0.5 cm) ndondomeko amatchedwa zakumapeto. Mu makoma ake pali ambiri mwanabele, ndipo Mwachibadwa antimicrobial chotchinga. Kumapeto kuchulukitsa tizilombo coliform - Mbali yofunika kwambiri ya chitetezo cha m'thupi. Pamene inu kuchotsa njira linaphwanya dongosolo anthu, matumbo Choncho amathera kwathunthu kuteteza thupi. Pakhoza kukhala mavuto ndi chitetezo cha m'thupi.

Direct ndi felemu intestine

Intestine intestine limapangidwa ndi nkombero zimene anapanga chopondapo. Mosiyana ndi wochepa thupi, izo lilibe lint. Iwo ali ntchofu kwambiri, zomwe zimathandiza chopondapo mosavuta kusamukira ku dipatimenti lotsatira - rectum. Tsambali si wowongoka kwambiri, chifukwa lili ndi Gawo kukodzedwa otchedwa ampoule. Itha ndimeyi intestine ya rectum mu ngalande kumatako. Chopondapo pafupipafupi kumatengera zifukwa zambiri, koma boma wabwinobwino ndi 1 nthawi mu masiku 2-3, kapena tsiku.