Kev nqhis dej, uas yog kho los ntawm qhov chaw nqos dej hauv lub medulla (qhov qis ntawm lub hlwb), ua rau cov zaub mov yuav raug thawb rov qab mus rau hauv pharynxthiab txoj hlab pas (cov yeeb nkab khoom noj) los ntawm kev sib dhos thiab tsis ua haujlwm ntawm ntau cov leeg hauv qab ntawm lub qhov ncauj, pharynx, thiab esophagus.
Yuav ua li cas thaum lub sij hawm nqos reflex?
Kev nqhis dej yog ib qho kev xav tsis thoob uas cuam tshuam nrog qhov chaw nqos, lossis lub tshuab nqus nqos, hauv lub hlwb. Thaum ua haujlwm, qhov chaw nqos tau neurons xa cov qauv tawm ntawm inhibition thiab excitation rau lub cev muaj zog ntawm cov hlab ntsha cranial.
Yuav ua li cas tshwm sim hauv kev nqos reflex quizlet?
zaub mov yog chew thiab tov nrog qaub ncaug, tus nplaig rolls no sib tov rau hauv ib tug bolus, thiab quab yuam mus rau hauv lub pharynx. Cov zaub mov stimulates sensory receptors nyob ib ncig ntawm lub pharyngeal qhib. Qhov no ua rau nqos reflex. … Cov leeg ntev ntawm phab ntsa pharyngeal daim ntawv cog lus, rub lub pharynx nce mus rau cov zaub mov.
4 theem ntawm nqos yog dab tsi?
Muaj 4 theem ntawm nqos:
- The Pre-oral Phase. - Pib nrog kev cia siab ntawm cov zaub mov tau nkag mus rau hauv lub qhov ncauj - salivation tshwm sim los ntawm qhov pom thiab tsis hnov tsw ntawm zaub mov (nrog rau kev tshaib kev nqhis)
- Qhov ncauj Theem. …
- Pharyngeal Phase. …
- The Oesophageal Phase.
Vim li casnqos yog reflex?
nqhis dej yog qhov tseem ceeb tsis txhob xav tau; ib tug tsis tuaj yeem nqos yog tias tsis muaj qaub ncaug lossis qee yam khoom yuav nqos. Thaum pib, cov zaub mov tau yeem txav mus rau tom qab ntawm qhov ncauj kab noj hniav, tab sis thaum cov zaub mov nce mus txog tom qab ntawm lub qhov ncauj, qhov kev xav kom nqos tau dhau mus thiab tsis tuaj yeem thim rov qab.
