Ukucindezelwa kwamanzi: kuvamile

Ezikhathini zasendulo, abantu beqaphela kuqala umphumela wokucindezela emoyeni ezintweni ezizungezile nempilo yabantu. Ngaphezu kwakho konke, lokhu kwabonakala ezinhlekeleleni zemvelo (iziphepho, iziphepho, njll). Kuze kwaze kwafakazelwa ukuthi umoya unesisindo, isintu asikwazanga ukuchaza ngenxa yokuthi yiziphi izinqubo eziningi ezenzeka emhlabeni, ezihlobene nesimo sezulu kanye nenhlalakahle yabantu. Umfutho owenza umoya ngesisindo sawo eMhlabeni nakho konke okukuwo kuthiwa yi-atmospheric. Lo muntu akazwa ubukhulu bomoya, ngoba umzimba uhlukaniswa ngokulinganayo ngomsindo womoya. Ukujwayelekile komthelela onjalo kufinyelelwa ngokulingana phakathi kwengcindezi yomoya wangaphandle nokucindezela kwangaphakathi komzimba wethu.

Ngomkhuba wamazwe omhlaba, ingcindezi yasemkhathini ilinganiswa kuma-pascals, ama-millibridi namamitha ayi-mercury. Kucatshangwa ukuthi ingcindezi yomkhathi evamile (760 mm Hg). Isijwayelekile sesifunda esithile singase sihluke kwezinye izindawo. Umkhathi oseduze nathi igobolondo elihambayo, lapho izinguquko zansuku zonke zenzeka khona. Ukuguqulwa komzimba womuntu ezimweni zesifunda esithile kanye nezinguquko ezifanayo kumenza angazizwa.

Ubani oselezintabeni, uyazi ukuthi, njengoba ewele umgwaqo ongaphezu kuka-2, 5 km, ongakulungele indawo abantu bazozizwa benesifo se-oxygen. Ihambisana nokushaya kwenhliziyo okusheshayo, ukwehla komfutho wegazi nezinye izibonakaliso zezici eziholela ekubuthakathakeni okuvamile komzimba. Ngokuhamba kwesikhathi, ngemva kokuguqula umzimba, izifo eziningi zizophela. Uma inqubo yokushintsha ihamba kancane, umzimba womuntu ungcono kubo.

Abantu abahlala isikhathi eside ezintabeni abenzi ubuhlungu emvelweni wezingcindezi zomoya kulezi zindawo. Umkhuba wabagibeli bezintaba ukucindezela kwemvelo ephansi.

Lokhu kubangelwa ukuthi umzimba wabo uthuthukiswe ngaphansi kwengcindezi yomoya, zonke izitho zawo zivumelaniswe nezimo ezinjalo. Ukucindezela okuhlukile akukhona kuphela ezimweni zezintaba nasezimo ezimbi kakhulu, kungenzeka futhi ezindaweni zokuhlala unomphela komuntu. Isizathu sokungezwani okunjalo emoyeni wengcindezi yomoya wokushisa emoyeni. Uma ukwandisa umthamo wayo womoya, njengamanani amaningi angokwenyama, itha. Isisindo semitha yokufudumala yomoya oshisayo singaphansi kwaleyo ebandayo, futhi ngenxa yalokho ingcindezi ebusweni bomhlaba iyashintsha.

Kubantu abanempilo ekhubazekile, ikakhulukazi asebekhulile, amaconsi okucindezela angaba buhlungu. Kulesi simo, udinga ukuzola futhi unciphise ukucindezeleka ngokomzimba. Ngisho nabantu abanempilo kule nkathi banomuzwa wokunciphisa ukusebenza, futhi ngezinye izikhathi inhloko yekhanda.

Isimo sompilo womuntu sithonywa kakhulu yinkinga yomkhathi. Isilinganiso saso singashintsha njalo ngokunyakaza okungazelelwe kwomoya. Umoya oshisayo, ukuvuka, nokubandayo, ukwehla, kuholela ekuhlukeni ekucindezelweni ezindaweni ezihlukahlukene zomkhathi. Ngalesi simiso, isimo sezulu sakhiwe endaweni ethile. Ukwakhiwa kwalo kubuye kuthinteke eziningana zezikhathi ezihambisana nemisebe yelanga, ukusizwa komhlaba, umswakama womoya, isivinini somoya, njll. Lezi zinto ziyisisekelo sokwakha isimo sezulu endaweni.

Izinguquko sezulu zithinta umzimba womuntu ngezindlela ezahlukene. Kubonakala sengathi cishe wonke umuntu uyayiphendula, yilowo nalowo ngendlela yakhe. Abantu abanesizotha badinga ukwazi ukuthi yiyiphi ingcindezi evamile yemvelo esifundeni sabo ukuze bazi ukuthi bangasiza kanjani umzimba wabo ngesikhathi esinzima. Eminye imibiko yesimo sezulu, njalo ekuseni babika ukuthi ingcindezi yasemkhathini yinto evamile esifundeni, nokuthi yiliphi ilanga elikhona ngalolo suku. Lokhu kubaluleke kakhulu kubantu ababhekene nezifo ezingelapheki.

Abantu abanezifo zesimiso senhliziyo nesesisindo banomthelela ekushintsheni kwengcindezi yasemkhathini futhi bakhuthazelele kakhulu ukushintsha kwesimo sezulu. Kubo, ingozi enkulu kunazo zonke ukubonakala kwamabhokoloni, ngokuvamile okuhambisana nokuncipha kwengcindezi, ukuwohloka kwesimo sezulu, umoya oqinile nokunciphisa umoya omoya emkhathini. Ngesikhathi esifanayo, izinga lokushisa liyancipha, ukukhuphuka komswakama, ubhujane kanye nesimo sezulu kuvela. Kulesi simo, abantu abanesidingo bangabonisa i-tachycardia, ukwehla kwegazi nokucindezela.