Nqaij tsis tuaj yeem ntuav tag nrho. Yog lawm: Squirrels, nas, nas, gophers, beavers thiab tag nrho lwm cov nas yog tsis muaj peev xwm ntawm pov. Cov kws tshawb fawb tau paub ntev tias cov nas tsuag tsis tuaj yeem ntuav, tab sis vim li cas tom qab nws tsuas yog nkag siab ntau dua, raws li Smithsonian.
nas ntuav li cas?
Vim li cas ntuav
Tsis zoo li regurgitation uas yog ib qho passive, tsis muaj zog tshem tawm ntawm lub plab cov ntsiab lus, ntuav yog ib qho active reflex uas cuam tshuam cov leeg nqaij. Qee lub sij hawm nas yuav regurgitate, tab sis lawv ntuav tsis tau. Hauv tib neeg, ntuav ntuav tshwm sim los ntawm ib pawg nuclei hauv lub hlwb.
Can a nas gag?
Lawv kuj tsis tuaj yeem ntuav. Yog li thaum nas chokes (feem ntau lub sij hawm ntawm ib yam dab tsi xws li qhob cij los yog txiv laum huab xeeb butter) qhov tseem ceeb koj yuav pom yog ib qho kev ua gagging uas lawv nqa lawv lub puab tsaig mus rau hauv caj pas thiab flatten lawv pob ntseg. Lawv kuj tuaj yeem tsim cov drool ntau.
Ntshai nas nas?
Ntau xyoo dhau los, cov kws tshawb fawb tau txo tus cwj pwm no kom xeev siab. nas tsis tuaj yeem qhia cov kws tshawb fawb tias lawv xeev siab, tau kawg, tab sis thaum nas noj cov tshuaj uas ua rau lwm tus tsiaj tsis muaj zog, lawv gape xwb. Yog li nws zoo li qhov kev nyab xeeb thawj koom ruam. Parker hais tias "Ntsuas yog tus qauv zoo heev rau xeev siab," said Parker.
Pob nas nyiam ntuav?
nas yog qhov tshwj xeeb rau cov kws tshawb fawb emesis, vim tias thaum nas tsis tuaj yeem ntuav, lawv tau pom qhov tseebkev ua haujlwm. Lawv kawm kom tsis txhob muaj co toxins los yog siv lub tswv yim hu ua pica. Qhov ntawd yog thaum lawv noj cov khoom uas tsis yog khoom noj, xws li av nplaum thiab av, kom dilute cov co toxins. Tab sis vim li cas nas thiaj ntuav tsis tau?
