Cov kab mob dab tsi uas tib neeg lub plab zom mov muaj? Kev piav qhia, qauv thiab kev ua haujlwm

Cov txheej txheem:

Cov kab mob dab tsi uas tib neeg lub plab zom mov muaj? Kev piav qhia, qauv thiab kev ua haujlwm
Cov kab mob dab tsi uas tib neeg lub plab zom mov muaj? Kev piav qhia, qauv thiab kev ua haujlwm

Video: Cov kab mob dab tsi uas tib neeg lub plab zom mov muaj? Kev piav qhia, qauv thiab kev ua haujlwm

Video: Cov kab mob dab tsi uas tib neeg lub plab zom mov muaj? Kev piav qhia, qauv thiab kev ua haujlwm
Video: Qhov tseem ceeb ntawm koj mus txhaj koob tshuaj COVID-19 rau zaum ob (Hmong) 2024, Hlis ntuj nqeg
Anonim

Lub plab zom mov muaj qhov tshwj xeeb hauv tib neeg lub cev. Nws yog nrog kev pab los ntawm nws cov zaub mov yog digested, cov khoom tseem ceeb tsim nyog los tswj lub neej yog assimilated. Kev noj qab nyob zoo ntawm tag nrho cov kab mob nyob ntawm seb nws ua haujlwm zoo li cas. Cov kab mob dab tsi ua rau lub plab zom mov muaj thiab lawv lub luag haujlwm yog dab tsi? Qhov no tsim nyog saib rau hauv kom meej ntxiv.

Cov kab mob dab tsi uas lub plab zom mov muaj?
Cov kab mob dab tsi uas lub plab zom mov muaj?

Functions

Nyob hauv tib neeg lub cev, xwm tsis muab dab tsi superfluous. Txhua yam ntawm nws cov khoom muaj lub luag haujlwm tshwj xeeb. Los ntawm kev sib koom ua haujlwm, kev noj qab haus huv ntawm lub cev tau lees paub thiab kev noj qab haus huv tau tswj hwm.

Lub luag haujlwm ntawm lub plab zom mov yog raws li hauv qab no:

  1. Motor-mechanical. Qhov no suav nrog kev sib tsoo, txav mus los thiab tshem tawm cov zaub mov.
  2. Secretory. Muaj kev tsim cov enzymes, qaub ncaug, kua txiv hmab txiv ntoo, kua tsib, uas koom nrog hauv kev zom zaub mov.
  3. Sab. Ua kom lub cev nqus tau cov protein, carbohydrates thiab cov rog, cov zaub mov, dej thiab cov vitamins.

Lub cev muaj zog-txhim kho lub luag haujlwm yog cog lus cov leeg thiab zom zaub mov, nrog rau kev sib xyaw thiab txav mus. Secretory ua hauj lwm muaj nyob rau hauv zus tau tej cov digestive kua txiv los ntawm glandular hlwb. Vim lub nqus dej ua haujlwm, cov khoom noj khoom haus rau cov qog ntshav thiab cov ntshav tau lees paub.

Kev ua haujlwm ntawm digestive system
Kev ua haujlwm ntawm digestive system

Kev tsim kho

Tus qauv ntawm tib neeg lub plab zom mov yog dab tsi? Nws cov qauv yog tsom rau kev ua thiab txav ntawm cov khoom siv tau zoo uas nkag mus rau hauv lub cev los ntawm sab nraud, nrog rau kev tshem tawm cov khoom tsis tsim nyog rau hauv ib puag ncig. Cov phab ntsa ntawm lub cev ntawm lub plab zom mov muaj plaub txheej. Los ntawm sab hauv lawv yog lined nrog ib tug mucous daim nyias nyias. Nws moisturizes phab ntsa ntawm cov kwj dej thiab txhawb nqa cov zaub mov yooj yim dua. Hauv qab no yog submucosa. Ua tsaug rau nws cov folds ntau, qhov saum npoo ntawm cov kwj dej kais dej yuav loj dua. Lub submucosa yog permeated nrog paj hlwb plexuses, lymphatic thiab cov hlab ntsha. Qhov seem ob txheej yog sab nrauv thiab sab hauv cov leeg nqaij.

Lub plab zom mov muaj cov kabmob hauv qab no:

  • qhov ncauj kab noj hniav:
  • esophagus thiab pharynx;
  • plab;
  • plab hnyuv loj;
  • plab hnyuv;
  • plab zom mov.

Yuav kom nkag siab txog lawv txoj haujlwm, koj yuav tsum saib txhua qhov kom ntxaws ntxiv.

qhov ncauj kab noj hniav

Thaum thawj theem, zaub mov nkag mus rau hauv lub qhov ncauj, qhov chaw ua tiav. Cov hniav ua haujlwm ntawm kev sib tsoo, tus nplaig, ua tsaug rau qhov sajreceptors nyob rau ntawm nws, ntsuas qhov zoo ntawm cov khoom tuaj. Tom qab ntawd cov qog qaub ncaug pib tsim cov enzymes tshwj xeeb rau kev ntub dej thiab cov khoom noj ua ntej tawg. Tom qab ua tiav hauv qhov ncauj kab noj hniav, nws nkag mus rau hauv cov khoom nruab nrog cev, lub plab zom mov txuas ntxiv nws txoj haujlwm.

Cov leeg uas koom nrog hauv kev zom zaub mov kuj tuaj yeem raug ntaus nqi rau lub chaw haujlwm no.

Khoom noj nkag mus rau hauv lub qhov quav zoo li kab noj hniav, uas muaj cov leeg nqaij. Nws yog qhov qauv no uas lub pharynx muaj. Nrog nws, tus neeg nqos cov zaub mov, tom qab ntawd nws txav mus rau hauv txoj hlab pas, thiab tom qab ntawd nkag mus rau hauv lub cev tseem ceeb ntawm tib neeg lub plab zom mov.

lub cev tseem ceeb ntawm tib neeg digestive system
lub cev tseem ceeb ntawm tib neeg digestive system

plab

Kev sib xyaw thiab sib cais ntawm cov zaub mov muaj nyob hauv lub cev. Lub plab nyob rau hauv tsos yog ib tug muscular hnab. Nyob rau hauv nws yog hollow, lub ntim yog txog li 2 litres.

Nws sab hauv muaj ntau cov qog, ua tsaug rau cov kua txiv hmab txiv ntoo thiab hydrochloric acid tsim, uas tsim nyog rau kev zom zaub mov. Lawv rhuav tshem cov khoom xyaw zaub mov thiab pab lawv mus tom ntej.

plab hnyuv loj

Lub plab zom mov dab tsi muaj xws li lub qhov ncauj, pharynx, esophagus thiab plab? Bypassing lawv, cov zaub mov nkag mus rau hauv lub duodenum - thawj seem ntawm cov hnyuv. Cov zaub mov tau tawg los ntawm cov kua tsib thiab cov kua txiv hmab txiv ntoo tshwj xeeb, thiab tom qab ntawd dhau mus rau hauv cov kab mob hauv qab no - cov jejunum thiab ileum.

Ntawm no cov khoom tawg lawmThaum kawg, microelements, vitamins thiab lwm yam khoom muaj txiaj ntsig tau nqus mus rau hauv cov ntshav. Nws qhov ntev yog kwv yees li rau meters. Cov hnyuv me ua rau lub plab zom mov. Cov txheej txheem nqus tau tshwm sim nyob rau hauv kev cuam tshuam ntawm villi tshwj xeeb uas npog cov mucous membrane. Ua tsaug rau lub valve tshwj xeeb, lub npe hu ua damper yog tsim, uas nres qhov thim rov qab ntawm cov quav.

plab hnyuv loj

Tib neeg digestive system tseem ceeb heev nyob rau hauv lub cev. Lub cev muaj dab tsi, koj yuav tsum paub kom nkag siab txog nws txoj haujlwm. Teb cov lus nug no, nws yog ib qho tsim nyog taw qhia lwm qhov, tsis muaj qhov tseem ceeb tsawg, uas cov txheej txheem digestion tiav. Qhov no yog txoj hnyuv loj. Nws yog nyob rau hauv uas tag nrho cov undigested zaub mov residues poob. Ntawm no, dej yog absorbed thiab quav tau tsim, qhov kawg tawg ntawm cov proteins thiab microbiological synthesis ntawm cov vitamins (tshwj xeeb, pawg B thiab K).

lub digestive system muaj cov kab mob hauv qab no
lub digestive system muaj cov kab mob hauv qab no

qauv ntawm txoj hnyuv loj

Qhov ntev ntawm lub cev yog kwv yees li ib thiab ib nrab meters. Nws muaj cov chav haujlwm hauv qab no:

  • caecum (appendix tam sim no);
  • colon (nws, dhau los, suav nrog ascending, transverse, nqis los thiab sigmoid;
  • rectum (nws muaj ib qho ampoule thiab qhov quav).

Txoj hnyuv loj xaus nrog lub qhov quav los ntawm cov khoom noj uas tau ua tiav los ntawm lub cev.

qog nqaij hlav

Lub cev ua li casdigestive system? Lub luag haujlwm loj yog nyob ntawm daim siab, txiav thiab lub gallbladder. Yog tsis muaj lawv, cov txheej txheem ntawm kev zom, raws li txoj cai, nrog rau tsis muaj lwm yam kabmob, yuav ua tsis tau.

Internal kab mob digestive system
Internal kab mob digestive system

Lub siab ua rau tsim cov khoom tseem ceeb - kua tsib. Lub luag haujlwm tseem ceeb ntawm cov kua tsib yog kom emulsify cov rog. Lub cev yog nyob rau hauv lub diaphragm, nyob rau sab xis. Cov dej num ntawm daim siab suav nrog kev khaws cov khoom tsis zoo, uas yuav pab kom tsis txhob muaj tshuaj lom hauv lub cev. Yog li, nws yog ib hom lim dej, yog li nws feem ntau raug kev txom nyem los ntawm ntau cov co toxins.

Lub gallbladder yog lub tso rau cov kua tsib uas ua los ntawm lub siab.

Lub pancreas zais cov enzymes tshwj xeeb uas tuaj yeem zom cov rog, proteins thiab carbohydrates. Nws paub tias nws muaj peev xwm tsim tau txog li 1.5 litres ntawm kua txiv ib hnub. Lub pancreas tseem tsim cov tshuaj insulin (peptide hormone). Nws cuam tshuam cov metabolism hauv yuav luag txhua cov ntaub so ntswg.

Cov kab mob dab tsi uas tib neeg digestive system muaj?
Cov kab mob dab tsi uas tib neeg digestive system muaj?

Ntawm cov qog nqaij hlav, yuav tsum nco ntsoov cov qog qaub ncaug, uas nyob rau hauv lub qhov ncauj kab noj hniav, lawv tso cov tshuaj rau softening zaub mov thiab nws cov thawj tawg.

kev hem thawj ntawm kev ua haujlwm ntawm lub plab zom mov yog dab tsi?

Ntshiab, ua haujlwm zoo ntawm cov kabmob ua kom lub cev ua haujlwm tau zoo. Tab sis kev ua txhaum ntawm cov txheej txheem digestive, hmoov tsis, tsis tshua muaj tshwm sim. Qhov no hem qhov tshwm sim ntawm ntau yam kab mob, ntawm qhov chaw uas yog nyob rau hauvgastritis, esophagitis, ulcers, dysbacteriosis, plab hnyuv ob leeg, lom, thiab lwm yam. Nyob rau hauv cov xwm txheej ntawm cov kab mob no, nws yog ib qho tsim nyog yuav tsum tau kho raws sij hawm, txwv tsis pub, vim qhov kev ncua ntawm cov as-ham rau cov ntshav, kev ua haujlwm ntawm lwm yam kabmob yuav cuam tshuam. Tsis txhob siv cov txheej txheem ib txwm siv yam tsis tau sab laj nrog kws kho mob. Cov tshuaj tsis yog ib txwm siv tsuas yog ua ke nrog cov tshuaj thiab nyob rau hauv kev saib xyuas ntawm kws kho mob.

Tib neeg digestive system thiab nws cov qauv
Tib neeg digestive system thiab nws cov qauv

Txhawm rau nkag siab tag nrho cov hauv paus ntsiab lus ntawm kev ua haujlwm, nws yog ib qho tsim nyog yuav tsum paub tias cov kab mob hauv plab hnyuv muaj dab tsi. Qhov no yuav pab kom nkag siab zoo txog qhov teeb meem thaum nws tshwm sim thiab nrhiav txoj hauv kev los daws nws. Cov txheej txheem nthuav tawm yog qhov yooj yim, tsuas yog cov ntsiab lus tseem ceeb cuam tshuam. Qhov tseeb, tib neeg digestive system yog complex ntau.

Pom zoo: