ZempiloAmayeza

Kwenzeka ntoni xa uthimla ngamehlo akho evulekile? izazinzulu zophando

Le Mboniselo unomdla kakhulu nje kuphela kuthi, kodwa yokuqala zonke izazinzulu abafuna ukwazi ukuba kwenzeka ntoni xa uthimla ngamehlo akho evulekileyo. Ngokuqinisekileyo wonke umntu aphila kulo mhlaba ngamanye amaxesha ethimla, kodwa bambalwa kuthi ukuba kutheni sivale amehlo ethu yaye yintoni enokwenziwa xa uthimla evulekileyo. Makhe siqale inkqubo uthimla, leyo kuthiwa indlela yokuzikhusela i benkqubo yethu nokuphefumla. Xa umntu ethimla, kukho ukungavisisani ngqo le luvo trigeminal, wathabatha inxaxheba ngqo kwinkqubo innervation kwamehlo ethu. Ukuba luvo Liphumle, ukuze amehlo ethu akhangele, kodwa ukuba lo eku- incinane, nokuba siyathanda okanye hayi, amehlo zavalwa kusincede. Ngoko ke, kukho umbuzo ukwazi: oko kwakuza kwenzeka xa uthimla ngamehlo akho evulekile? Zonke isisombululo silele yinkqubo entsonkothileyo ngomatshini. Kwaye yokusabela enjalo umzimba kunokuthiwa ukukhusela thina. Ngayiphi ingqiqo?

iseziinkwenkwezi

Ukuba nokuba umzuzwana ukuthelekelela uxinzelelo kunye nesantya umoya sithi, ngoko ke umbuzo wokuba kwenzeka ntoni xa uthimla ngamehlo akho evulekileyo, akusekho khona. Isantya phantse 150 km ngeyure! Amehlo ethu akakwazi nje ukugcina tshikilelekile swinene yaye, njengoko bathi, "luyatshwebeleza" aphume neziseko zazo! Inyaniso kukuba, Kakade ke, ukuba uhlobo zamabali, kodwa incazelo yayo. Kulo mzekelo, kukho sisoloko abalandeli yemifuniselo kwaye ufuna ukubona kulusu zabo, oko kukuthi, xa uthimla ngamehlo akho evulekileyo. Kodwa nantsi enye poser - yenza kube nzima kakhulu. Ngokutsho izazinzulu, amehlo abo olusithabazi uthimla, kodwa kuya kuthatha ukusebenzisa ngabom inkqubo luvo. Kwaye ke bambalwa kakhulu abantu. Ekubeni ezi zinto ezibalulekileyo kunzima ukuphumeza, izazinzulu ukubeka phambili inani yezizathu esenza ukuba xa uthimla sivale amehlo ethu. Ukwazi nzima kangakanani na, yaye esazi ukuba yintoni injongo ezi ndlela, siza kuphinda makhe sicinge ngento eyayiza kwenzeka xa uthimla ngamehlo akho evulekileyo, yaye iya kuvuya ukuba yonke into eyenzekayo njengoko kufuneka.

Ukuvalwa ngenxa yobudala

Ukuthimla ngamehlo akho evulekileyo kunzima kakhulu, ngenxa yokuba ngeempumlo isifo, lweliso lakho, Neenkophe, kwaye yethu amadlala lacrimal kuxhotyiswa kakuhle luvo trigeminal neziphelo yayo. Ukuba idatha ekupheleni axakane, imvelaphi zonke ngayo ngokuzenzekelayo ezifana ukuqhwanyazaemva okanye uthimla. Zonke ezi Imiqondiso idibane kwiziko single - nguye lo Oblongata Medulla. Namanye amaziko inoxanduva uthimla nokuvalwa iinkophe, akhiwe kufutshane. Ukuba elinye iziko, ezifana uthimla ubani anawo, ukuba isebenze ngokuzenzekelayo kwaye ekufutshane, phezu ukuvalwa iinkophe. Oku kuchazela abafundi esisabela ngayo: uthimla, siyaqala ukuba amehlo engathandi zazhmurivat. A inkqubo efanayo oxhasa indlela ye photic uthimla reflex. Ukuba ukukhanya okuqaqambileyo ongena ngeso, hi musa nje uzivale, kodwa usenako ukuqala i uthimla ngokuzenzekelayo. Njengoko ubona, uthimla - le yindlela entsonkothileyo kakhulu umdla.

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