Yawning yog qhov tsis txawv txav, uas yog qhia tawm hauv kev sib sib zog nqus thiab ua rau ntev ntev ua raws li muaj kev tawm nrawm nrawm. Cov laj thawj ntawm qhov tshwm sim ntawm kev qw tsis tau to taub tag nrho - muaj ob peb lub tswv yim hais txog qhov no. Vim li cas cov neeg yawn?
Cov Lus Qhia
Kauj ruam 1
Raws li ib qho version, yawning tshwm sim thaum cov pa oxygen tshaib plab ntawm lub hlwb. Raws li kev tshawb nrhiav ntau yam, nws tau pom tias hauv lub xeev qaug zog, tsaug zog lossis laj nyob, tus neeg ua tsis taus pa zuj zus. Raws li qhov tshwm sim, cov pa roj carbon dioxide accumulates hauv cov ntshav. Nws yog cov nyhuv ntawm cov khoom lag luam metabolic no uas ua rau kom yaw. Yawning, nrog rau kev nqus, maj mam ua pa, pab kom ntshav khiav mus rau lub hlwb.
Kauj ruam 2
Raws li cov kws tshawb fawb Asmeskas, yawning tsis yog tsuas yog lub cim ntawm kev tsaug zog lossis tsaug zog xwb. Theej, nws yog cov txheej txheem nyuaj tsim los ntawm cov xwm los tswj kev kub ntawm lub hlwb. Raws li qhov kev xav ntawm xibfwb Andrew Gallup, kev ua haujlwm ntawm lub hlwb tuaj yeem piv nrog kev ua haujlwm ntawm lub koos pij tawj - thaum "overheated", qee qhov ua haujlwm tsis zoo tuaj yeem tshwm sim. Yawning muab kev hloov pauv ntawm cov cua txias thiab, vim li ntawd, lub hlwb ua haujlwm zoo li qub. Tsis tas li ntawd, pab pawg ntawm cov kws tshawb fawb no sib cav tias yawning tsis tsuas yog pab txhawb kev rau hauv kev pw tsaug zog, tab sis ntawm qhov tsis tooj, nws pab ua kom lub cev poob zoo thiab ua kom tsis muaj zog, tsom lossis cem tus neeg ntshai.
Qhov xaus no yog ib nrab lees paub los ntawm kev soj ntsuam kev sim ua kis las, cov neeg ncaws pob thiab cov kws ua yeeb yam - cov xwm txheej uas muaj nrog kev nyuaj siab ntxhov siab yawning.
Kauj ruam 3
Kuj, ib qho ntawm cov laj thawj rau yawning yog lub cev qhov tshwm sim rau kev hloov pauv hauv qhov siab hauv cua. Thaum koj yawn, qhov nruab nrab pob ntseg kab noj hniav yog ua pa, uas txuas nrog los ntawm Eustachian raj mus rau pharynx. Yog li, yawning, ib tus neeg sib npaug nrog lub zog sab hauv nrog sab nraud, sab nraud.
Kauj ruam 4
Koj yuav tsum nco ntsoov tias kev sib ceg ntawm kev nquag thiab lub sijhawm yawning tuaj yeem yog lub harbinger ntawm qee qhov mob hnyav. Yog li ntawd, yog tias lawv tshwm sim, koj yuav tsum sab laj nrog kws kho mob.