Jikuna na mutum narkewa kamar tsarin

A magani, akwai mutane da yawa abstruse sunayen, wanda ba shi da sauki fahimta, da kuma jikin mutum - shi ne don haka hadadden tsarin da hukumomin game da manufar wasu da yawa da sosai m ra'ayin. Amma ba lallai ba ne ya zama wani roka masanin kimiyya, to tsammani abin da aikin da aka yi da gabobin na narkewa kamar tsarin da mutum. Wannan a fili yana magana da sunan.

Kamar yadda ya zuwa yanzu kamar yadda muka sani, hanya - a manyan kyau-hanya. narkewa kamar fili, kuma aka sani da gastrointestinal, ne sosai hanya a kan wanda abinci ya kamata a ci abinci a cikin wani mutum. Duk da haka, irin wannan definition, ba shakka, kuma simplistic, wani abu mai kama anecdotal bayanin irin manufa shugaban: "I, ku ci shi." Amma a mafi cikakken jarrabawa na tsarin da tsarin da kuma ayyuka na ta bijiro da batun kafa taimaka wajen fahimtar yadda narkewa kamar tsari da kuma iri daban-daban da suka faru da cewa shi sa jiki cuta da kuma cututtuka daban-daban.

Saboda haka, abin da na gabobin na mutum narkewa kamar tsarin?

A farko - shi ne na baka rami inda abinci ne fallasa zuwa yanzu kawai farko machining. Taimaka a ba kawai da hakora da kuma harshe, amma kuma da salivary gland, saboda enzymes dauke a cikin yau riga manne wasu abubuwa.

Next, da abinci shiga cikin esophagus, amma ba kai tsaye ba, amma ta hanyar da pharynx, wanda shi ne mai reflex hanya taimaka wajen hadiye riga shredded da kuma tattara a cikin wani dunƙule abinci. Kansa esophagus ne a mike tube tsawon na 30 santimita. Ya aiki - to da sauri kawo abinci a cikin ciki, wanda taimaka tsokoki da kuma rufi ganuwar squamous epithelium.

Idan gabobin na mutum narkewa kamar tsarin ga kokarin shirya domin na size, ciki ne wata ila ya zama babban abu. A wannan "jakar" zo narkewa a ƙarƙashin rinjayar na ciki ruwan 'ya'yan itace. Its babba aka gyara su ne hydrochloric acid, bicarbonates, pepsin ko wasu enzymes. Uku yadudduka da santsi tsoka juya da bolus a cikin ciki, mugun gudu up aiki.

Duk da haka, ba duk narkewar a ciki - "baton" intercepts hanji. Idan mutum narkewa kamar fili - da hanya, da hanjinsu - mafi tsawo mataki a kan shi. Its total tsawon har zuwa goma mita, da kuma shige shi a ciki, kamar yadda yake a cikin rushe jihar, kamar a fan ko a frill. Babban part - da kananan hanji, amma shi har yanzu ne duodenum, wanda ake samu ducts pancreas asirce enzymes cewa karya saukar fats, sunadaran da carbohydrates, da kuma gallbladder, wanda ya ƙunshi generated hanta bile, kuma da hannu a cikin sauran tsari. A mucous membrane na kananan hanji form yawa villi cewa progressively matsawa ta turawa tare karauka bolus, wanda ya riga ya raba cikin gina jiki kwayoyin. Ta hanyar villi ya faru da sha a cikin jini, kuma Lymph.

A karshe ɓangare na gastrointestinal fili - manyan hanji. Its main aiki - tsagawa fiber ta wajen musamman kwayoyin cuta na ruwa sha da kuma jari na cikin undigested saurã daga wanda aka kafa ta hanyar stool dubura da kuma excreted waje. Harufan rabo daga cikin manyan hanji kira da cecum, daga abin da a kananan appendage, watakila kawai mutum sashin jiki da cewa ba shi da wasu daga ta amfani aiki - appendix.

Kamar yadda ka gani, da mutum narkewa kamar tsarin gabobin ne ba kamar yadda mai sauki kamar yadda na iya ze. Wannan hadadden tsarin ne mai saukin kamuwa zuwa dalma ta ingestion na ta stale kayayyakin ko zahiri guba abubuwa, shi shuka: da parasites faru rayuwa cuta da kuma sauran matsaloli, da yawa daga abin da muka tsara your gastrointestinal fili kansu lokacin cin abinci m, ko bad tauna abinci . Kuma idan mafi yawan wuya aiki da jikin mu daukan kan, sa'an nan ya kamata mu a kalla ba su tsoma baki tare da shi.