Eplanethini yethu, akukho umuntu akukaze coughed futhi sneezed. Mhlawumbe wonke wazibonela ukungakhululeki lapho ingxoxo noma, isibonelo, uhleko phakathi ukudla, ukudla singena ipheshana zokuphefumula noma, njengoba zibizwa kanjalo, "ngendlela engalungile." Khonokho umuntu uqala ukukhwehlela. Cishe kunjalo we ingaphakathi acinene - kanye sidonsa iyiphi zothuli ukuthi ngokushesha uqale sneezing, futhi ngezinye izikhathi ezingaphezu kwesisodwa! Yiqiniso, izimo ezinjengalezi akakwazi ngokuthi ukhululekile, kodwa ungacabangi mayelana lusizo yabo. Into wukuthi ukukhwehlela nokuthimula - kuba imisebenzi ewusizo kakhulu okuvikela umzimba, ngaphandle eyayizobadabulisa saba nesikhathi esinzima. Ngakho ake sibone ukuthi kwakwenzekani, kungani abantu ukhwehlela futhi thimula.
Kungani abantu ukhwehlela?
umoya Deep esifushane, ngemva ephelezelwa nomqwayiba kunalokho abukhali exhale ngomlomo - ukuze ukwazi ukuchaza ukukhwehlela yethu. Lokhu - umsebenzi okuvikela umzimba: lapho ukhwehlela umlomo ingandiza, isibonelo, engathandeki ngathi isinkwa imvuthuluka ewa ukuthi, njengoba besho, "ngendlela engalungile." Lapho sigula, bese sizonde ukukhwehlela yakho, futhi empeleni lutho ... Nalapha, ukuthi ngokusisiza! Kuphela kulesi simo "wayenemihlambi abaxoshwa 'ka yomoya yethu engenhla ungadli, futhi isikhwehlela aqoqana lapho. Ungakhohlwa ukuthi unokukhwehlela okubi - inkomba yokuthi isimo abampofu amashubhu wethu bronchial kanye umphimbo. Lapho lesi sifo ebohla, le isikhwehlela, ngenxa yezizathu ezisobala, ayisaxhunyanisiwe kwakhiwa, buthelela, futhi ngaleyo ndlela ubalekela nokukhwehlela. Siyakuqonda esiphethweni sokuthi ukukhwehlela - inkemba double nhlangothi zombili: kulolu hlangothi, lena isignali sina ukuze acekele phansi impilo, futhi ngakolunye - usizo yokutakula.
Kungani abantu thimula?
Sneezing - lokhu futhi umsebenzi okuvikela umzimba, aqede izindima zethu acinene ka isikhwehlela nothuli izinhlayiya ahlukahlukene. Ngokuvamile, lokhu kwenzeka ngenxa nezinwele, okuyinto kutsetselelwe ndima acinene, ekuvimbeleni uthuli lingene emaphashini kanye nezinye imbucumbucu engathandeki. Kodwa ziyini izizathu ezenza abantu thimula? Izimbangela leli reflex zokuzivikela kuqedile, eminye yayo engase yehluke kumuntu othize. Ngokwesibonelo, ngezinye izikhathi senza thimula kusuka uthuli noma iphunga ebukhali, abakucasulayo le acinene receptor olfactory. Bathoma bakitaza ku ekhaleni ngaphambi nje sneezing: nomzimba angaphandle sabanjwa ekhaleni, ecasula receptor kwenzwa isignali kuya ebuchosheni, esikhundleni salokho, ithumela "ithimba" ukuze sneezing. Lonke operation kuthatha engengaphansi - yomzuzwana! Esinye isizathu esenza abantu ngokuvamile ethimula - ukukhanya okukhulu kakhulu. Lokhu kungaba njengoba ukukhanya okukhulu, futhi imisebe yelanga.
Kungani abantu thimula elangeni
Impela umbuzo "kungani abantu thimula ekukhanyeni okugqamile" - Nokho akukho muntu akwazi ukuphendula. Kunezizathu eziningana, enye yazo ithi "maphakathi izenzakalo" kuyinto emsipheni optic futhi ulwelwesi lwamafinyila of the imphumulo, ezihlobene ngokuqondile impumuzo. Uma sibheka ukukhanya okukhulu, umfutho kusukela ukucasuka we umfundi is badabula ubuchopho imizwa we mucosa acinene - sneezing kwenzeka. Ngokusho omunye umbono, abafundi bethu bephoqeleka ukuba kakhulu zinciphise ilanga, okuholela ukuthuthukiswa ngcono nezindlala lacrimal. Izinyembezi, esikhundleni salokho, ngokufaka ekhaleni, abakucasulayo le mucosa emathunjini, futhi saphinde sadlulisela thimula.
Kungakhathaliseki ukuthi laliyini, uyazi ukuthi, ukukhwehlela nokuthimula singabantwana inzuzo kuphela. Ungalokothi iphazamise izinqubo zemvelo yomzimba, uzama kanzima ukuba zibambe ikhaliphe zokuzivikela - sneezing futhi ukhwehlela yonke inhliziyo yami! Hlala uphilile!