Cov txheej txheem:
Video: Cov kwj deg noj nyob qhov twg?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov kwj dej alimentary yog ib feem tseem ceeb ntawm lub plab zom mov. Nws yog cov leeg leeg txuas mus tas li uas hla lub cev thiab nws nyob ib puag ncig 8 txog 10 meters ntev. Nws yog qhib ntawm 2 kawg, nrog rau qhov ncauj nyob rau hauv lub anterior kawg thiab anus ntawm lub posterior kawg. Cov kwj dej ua haujlwm ua haujlwm ntawm kev zom zaub mov.
Ntawm no, qhov twg yog cov kwj dej hauv peb lub cev?
A tib neeg digestive system uas tseem hu ua tus kev noj haus yog cov leeg leeg uas nthuav tawm ntawm lub qhov ncauj mus rau qhov quav. Qhov chaw ntawm tib neeg digestive system suav nrog - lub qhov ncauj, qhov ncauj kab noj hniav, cov hniav, txoj hlab pas, lub plab, hnyuv me, hnyuv loj, thiab qhov quav.
Ib tug kuj tseem nug, dab tsi yog lub cev ntawm cov kwj dej hauv lub cev thiab lawv txoj haujlwm? Lub luag haujlwm tseem ceeb ntawm cov kabmob hauv cov hlab pas yog txhawm rau txhawb lub cev. Lub raj no pib ntawm qhov ncauj thiab xaus rau ntawm qhov quav. Nyob nruab nrab ntawm ob lub ntsiab lus no, cov kwj dej tau hloov kho raws li lub pharynx, txoj hlab pas, plab , thiab me me thiab cov hnyuv loj kom haum rau qhov kev xav tau ntawm lub cev.
Kuj kom paub yog, dab tsi yog qhov tseem ceeb ntawm cov kwj dej alimentary?
Cov cheeb tsam tseem ceeb ntawm txoj hlab pas nqaj thiab cov kabmob txuam nrog yog:
- Qhov ncauj, cov qog ua kua qaub.
- Txoj hlab pas.
- plab.
- Pancreas, daim siab, zais zis.
- Cov hnyuv me (duodenum + ileum)
- Cov hnyuv loj (txoj hnyuv +qhov quav)
- Anus.
Thawj feem ntawm kev nqhis dej yog dab tsi?
Qhov ncauj
Pom zoo:
Lub qhov hluav taws xob nyob qhov twg nyob qhov twg?
Lub plab feem ntau yog nyob rau sab laug sab saud sab hauv qab lub diaphragm thiab txuas nrog zoo dua rau txoj hlab pas thiab nyob deb rau duodenum
Dab tsi yog qhov tseem ceeb ntawm cov kwj deg noj haus?
Cov cheeb tsam tseem ceeb ntawm cov kwj dej ua pa thiab cov kabmob txuam nrog yog: Lub qhov ncauj, qog ua kua qaub. Txoj hlab pas. plab. Pancreas, daim siab, zais zis. Txoj hnyuv me (duodenum + ileum) Txoj hnyuv loj (txoj hnyuv + qhov quav) Qhov quav
Dab tsi yog qhov seem ntawm cov kwj deg noj haus?
Tib neeg lub plab zom mov uas tseem paub tias yog txoj hlab pas yog cov leeg leeg uas nthuav tawm ntawm lub qhov ncauj mus rau qhov quav. Qhov chaw ntawm tib neeg digestive system muaj xws li - qhov ncauj, qhov ncauj kab noj hniav, hniav, oesophagus, pharynx, plab, hnyuv me, plab hnyuv loj, thiab qhov quav
Qhov twg feem ntau digestion nyob rau hauv cov hnyuv nyob qhov twg?
Jejunum yog ib nrab ntawm txoj hnyuv me, nruab nrab ntawm duodenum thiab ileum. Feem ntau digestion thiab assorption nyob rau hauv lub jejunum
Qhov twg ntawm cov kwj deg ua kom muaj kua txiv qaub?
Cov nqaij ntshiv hauv lub plab phab ntsa churn cov zaub mov thiab sib tov nrog cov kua qaub los ntawm lub plab hauv ob sab phlu. Cov kua qaub no hu ua kua txiv hmab txiv ntoo thiab muaj cov sib xyaw ntawm hydrochloric acid, mucus thiab digestive enzyme pepsin. Cov kua qaub ua rau lub plab kua txiv tag nrho cov kua qaub, ib puag ncig pH 1.5