Inkqubo yokucola - sisiseko ukusebenza kakuhle yonke umzimba womntu

Inkqubo sokugaya ivumela umsebenzi zabantu ngenxa ekunikezelweni izondlo eziyimfuneko kusetyenziswa njengomthombo wamandla kunye nezinto zokwakha. Ezi izinto ngenisa emzimbeni wokugaya, ubude lilonke malunga-10 eemitha nokuba lonke nokwandiswa kunye yindibanisela ndawo ibinomthwebeba.

Ubume kwenkqubo zokwetyisa komntu ziquka: kwisisu buccal, pharynx, kuvuleke iminxunya, isisu, injeke, isibindi, senyongo, ikholoni kunye emathunjini amancinci.

komgodi Oral. Kule nxalenye yenkqubo yokwetyisa kwenzeka akukulinga ngqo ukutya, sesichengeni chemical yayo kunye neziphumo ezibonakalayo. Ukuhlafuna ukutya bobabo kuhlobo lwesibini nempembelelo, kwaye le isigaba sokuqala nokusebenza le nkqubo kuxhomekeke kumgangatho ukufunyanwa kunye nokwenziwa kwezondlo. Hayi ngaphandle kwesizathu, iingcali ezininzi ukucebisa ukuhlafuna njani ukutya, nto leyo ke abakhuselekanga ngamathe yaqalwa ngo bolus.

Amathe eyabelwe indima ebalulekileyo ngokufanelekileyo xa ukwetyisa ukutya. Kubangelwa kukuziva phantse ngokupheleleyo amanzi (malunga 99%). Esikuzo mucin iproteni igalelo adhesiveness, ubukho lysozyme ivumela yokubulala lokutya kunye nee-enzayim ezifana amylase kunye maltase kwetyiswe izondlo.

Le okukhona inkqubo yokwetyisa lubonisa ukuba umzimba emva pharynx yomlomo, nto leyo ilungu dystrophy enezikroba ezithile (kwisisu ngomlomo, amagalelo ngeempumlo, amagalelo ukuya kuvuleke iminxunya kunye kwingqula, kunye nemiboko emibini sendlebe ophakathi). Exposure, ngenxa ukuchitheka ukutya endleleni yokuphefumla, umnyango ukuya kwingqula igutyungelwe yi epiglottis.

kanye Inkqubo kukuginya ukutya kungenxa ekunciphiseni izihlunu pharynx, ngalo apho engena kuvuleke iminxunya ngokusebenzisa uvalo - esiswini. Ekubeni emphinjeni - ityhubhu dystrophy ukuba ngenxa ekunciphiseni ezi izihlunu ukutya utyhalelwa nje phambili.

Le nkqubo yokusila iquka esiswini, nto leyo ifumaneka ngezantsi uvalo esiswini eliphezulu. Uhlobo kuwo imingxunyana emibini olunikiweyo - igalelo nemveliso. Le obturator yesibini azivalele umsipha ngokwanele (sphincter). Ukutya igcinwe esiswini ixesha elide (iiyure ukuya ku-11), nto leyo ufakwa ukuhlasela imichiza yejusi esiswini, nto leyo ulwelo ezingenambala equlethe zehydrochloric acid. Kungenxa candelo lwenziwa ngqo umsebenzi yokwetyisa. Acid kwakhona nempembelelo embi kubantu iintsholongwane tapeworm. Ngoko ke, ingozi yokusuleleka zizifo ezosulelayo of ivela xa kuthe izifo phecana zesisu, ezo balucanda kwinkqubo yokwetyisa.

Le chyme evela esiswini ngokusebenzisa izahlulo sphincter ngokuthe ngcembe engena emathunjini. Le emathunjini amancinci iqala duodenum, wawavulayo bile duct eqhelekileyo duct nepancreatic. Apha kufike isiphelo ukwetyisa ukutya sisenzo yejusi pancreatic kunye inyongo.

ukutya kusingathwa ukusuka emathunjini amancinci ngcembe ludlulele ikholoni, nto leyo iba ubude kangangeemitha ezi-2. Kukho ugxile kakhulu amanzi, kunye yokutyiwa ukutya olungeyomfuneko sele bungaveli emzimbeni. Ngenxa inani elikhulu iintsholongwane ezahlukeneyo ethunjini, ukuphucula ekugayeni. Noko ke, kukho izinto ezimbi. Ngenxa yoko, phantsi intshukumo kwala magciwane, etshabalele nje ukutya sele ayiyomfuneko kwaye ndimkhulule khompawundi liseyityhefu lokuphelisa okuhambelana esibindini.

Digestive System unikela esibindini yendima lubalaseleyo. Ngapha koko, le ingaba yokwetyisa inkulu ekuthe icocwe yaye lonke igazi lwemithambo ukususela esiswini, udakada namathumbu.

Ngenxa yoko, inkqubo yokucola - inkqubo kunokuba entsonkothileyo processing ukutya emzimbeni womntu, iziko ngalinye unikwe ndima, yaye ukusilela ubuncinane omnye icandelo womatshini nako ukuphuhlisa izifo iphecana zesisu.