Cov txheej txheem:

Dab tsi yog qhov piv txwv ntawm kev zom zaub mov?
Dab tsi yog qhov piv txwv ntawm kev zom zaub mov?

Video: Dab tsi yog qhov piv txwv ntawm kev zom zaub mov?

Video: Dab tsi yog qhov piv txwv ntawm kev zom zaub mov?
Video: Qhia txhais 50 zaj npau suav tias yog dab tsi part 3 15 Sep 2019 2024, Lub Xya hli ntuj
Anonim

Muaj dab tsi piv txwv ntawm kev zom zaub mov ? Koj cov hniav zom zaub mov. Mechanical digestion koom nrog kev zom cov zaub mov los ntawm kev txav cov hniav rau piv txwv thaum chemical kev zom zaub mov koom nrog cov tshuaj thiab cov enzymes hauv qhov zoo tshaj plaws.

Hauv qhov no, uas yog piv txwv ntawm cov lus nug zom zom zom zaws?

Cov ntsiab lus hauv txheej no (5)

  • Qhov ncauj. mastication/chewing.
  • Txoj hlab pas. peristalsis.
  • plab. maceration- (sib xyaw yoj)
  • Txoj hnyuv me. peristalsis. segmentation.
  • txoj hnyuv loj. peristalsis. haustra ua. plab hnyuv reflex. gastrocolic reflex cov tsos mob

Kuj Paub, yuav ua li cas lub plab mechanically zom zaub mov? Neeg kho tshuab thiab tshuaj digestion pib nyob rau hauv lub qhov ncauj qhov twg zaub mov yog chewed, thiab tov nrog qaub ncaug los pib ua enzymatic ntawm starches. Cov plab tseem tawg zaub mov nqes neeg kho tshuab thiab tshuaj lom neeg los ntawm kev sib tsoo thiab sib xyaw nrog ob qho tib si kua qaub thiab enzymes.

Tsuas yog li ntawd, hom hniav twg yog lub luag haujlwm tseem ceeb rau kev zom zaub mov?

Cov cov hniav pab hauv kev zom zaub mov los ntawm masticating (zom) zaub mov. Mastication tso cai yooj yim deglutition (nqus) thiab sai dua tshuaj lom neeg tawg nyob rau hauv lub plab txoj kab. Thaum lub sij hawm mastication, cov qog qaub ncaug zais cov qaub ncaug kom muag cov khoom noj rau hauv ib qho bolus (cov khoom ib nrab).

Kev zom zaub mov yog dab tsi?

Mechanical digestion koom nrog lub cev zom cov zaub mov rau hauv me me. Mechanical digestion pib nyob rau hauv lub qhov ncauj raws li cov zaub mov yog chewed. Tshuaj kev zom zaub mov koom nrog zom cov zaub mov rau hauv cov khoom noj yooj yim uas tuaj yeem siv los ntawm cov cell. Tshuaj kev zom zaub mov pib hauv lub qhov ncauj thaum zaub mov sib tov nrog qaub ncaug.

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