Ulwazi lweMveliso
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Ulwazi lokhuseleko lomlilo oluvela kwimveliso yeoksijini ebusika
Ubusika lelinye lamaxesha onyaka apho imililo ixhaphake kakhulu. Umoya womile, ukusetyenziswa komlilo nombane kuyanda, kwaye iingxaki ezifana nokuvuza kwegesi zinokubangela imililo ngokulula. Ioksijini, njengegesi eqhelekileyo, ikwanazo neengozi ezithile zokhuseleko, ingakumbi ebusika. Ke ngoko, wonke umntu unokufunda ioksijini...Funda ngokugqithisileyo -
Ukusebenza nokugcinwa kwezitulo ezinamavili
Ukusebenzisa isitulo esinamavili sisixhobo esinceda abantu abangakwaziyo ukuhamba kakuhle ukuba bahambe kwaye baphile ngokuzimela. Kubalulekile ukuba abantu abatsha kwizitulo ezinamavili baqonde iindlela ezifanelekileyo zokusebenza ukuqinisekisa ukuba banokusisebenzisa ngokukhuselekileyo kwaye basebenzise ngokupheleleyo ukusebenza kwaso. Inkqubo yokusebenzisa ...Funda ngokugqithisileyo -
Ioksijini – into yokuqala ebomini
Umntu unokuphila iiveki ngaphandle kokutya, iintsuku ezininzi ngaphandle kwamanzi, kodwa imizuzu embalwa kuphela ngaphandle kweoksijini. Ukwaluphala okungenakuphepheka, i-hypoxia engenakuphepheka (Njengoko ubudala bukhula, umzimba womntu uya kuguga kancinci kancinci, kwaye kwangaxeshanye, umzimba womntu uya kuba ne-hypoxia. Le yingxaki...Funda ngokugqithisileyo -
Yintoni oyaziyo ngonyango lweoksijini?
Ioksijini yenye yezinto ezigcina ubomi I-Mitochondria yindawo ebaluleke kakhulu ye-oxidation yebhayoloji emzimbeni. Ukuba izicubu azinayo i-oxidation, inkqubo ye-oxidative phosphorylation ye-mitochondria ayinakuqhubeka ngendlela eqhelekileyo. Ngenxa yoko, ukuguqulwa kwe-ADP kwi-ATP kuyaphazamiseka kwaye akwanelanga...Funda ngokugqithisileyo -
Ukwazisa kunye nokukhethwa kwezitulo ezinamavili
Ulwakhiwo lwesitulo esinamavili Izitulo ezinamavili eziqhelekileyo ngokubanzi ziqulathe amacandelo amane: ifreyimu yesitulo esinamavili, amavili, isixhobo sebhuleki kunye nesihlalo. Njengoko kubonisiwe kumfanekiso, imisebenzi yecandelo ngalinye eliphambili lesitulo esinamavili ichazwe. Amavili amakhulu: athwala ubunzima obuphambili, ububanzi bevili buyi-51...Funda ngokugqithisileyo -
Amanyathelo okuzikhusela xa usebenzisa i-oxygen concentrator
Amanyathelo okhuseleko xa usebenzisa isixhobo sokufaka ioksijini Izigulane ezithenga isixhobo sokufaka ioksijini kufuneka zifunde imiyalelo ngononophelo ngaphambi kokuba ziyisebenzise. Xa usebenzisa isixhobo sokufaka ioksijini, gcina kude namalangatye avulekileyo ukuze uphephe umlilo. Akuvumelekanga ukuqalisa umatshini ngaphandle kokufaka izihluzi kunye nefil...Funda ngokugqithisileyo -
Ukhathalelo lwezigulane ezikhulileyo
Njengoko inani labantu behlabathi likhula, izigulane ezikhulileyo nazo ziyanda. Ngenxa yotshintsho oluwohlokayo kwimisebenzi yomzimba, imo, kunye nokwakheka kwamalungu ahlukeneyo, izicubu, kunye nokwakheka komzimba kwezigulane ezikhulileyo, kubonakala njengeziganeko zokwaluphala ezifana nobuthathaka bokuguquguquka komzimba...Funda ngokugqithisileyo -
Uphuhliso lwezihlalo zabakhubazekileyo
Inkcazelo yezitulo ezinamavili Izitulo ezinamavili zizixhobo ezibalulekileyo zokubuyisela kwimeko yesiqhelo. Azizo nje kuphela iindlela zokuthutha abantu abakhubazekileyo ngokwasemzimbeni, kodwa okubaluleke ngakumbi, zibenza bakwazi ukuzilolonga nokuthatha inxaxheba kwimisebenzi yoluntu ngoncedo lwezitulo ezinamavili. Uhlobo lwezitulo ezinamavili eziqhelekileyo...Funda ngokugqithisileyo -
Ngaba uyazi ngee-oksijini ezisetyenziswa kwezonyango?
Iingozi ze-hypoxia Kutheni umzimba womntu uhlaselwa yi-hypoxia? I-oksijini yinxalenye esisiseko yemetabolism yomntu. I-oksijini esemoyeni ingena egazini ngokuphefumla, idibane ne-hemoglobin kwiiseli ezibomvu zegazi, ize ijikeleze igazi iye kwiithishu ngokusebenzisa...Funda ngokugqithisileyo