Kev siv cov pa oxygen yog dab tsi? Ntau tus ntawm peb yuav tau nug peb tus kheej cov lus nug no ua ntej. Cov lus teb yooj yim yog tias oxygen yog qhov tseem ceeb rau tib neeg lub neej. Yog tsis muaj oxygen, peb yuav tsis muaj sia nyob. Tab sis nws tsis yog peb xwb uas xav tau oxygen. Los ntawm cov nroj tsuag mus rau tsiaj, tag nrho cov tsiaj muaj sia xav tau oxygen kom ciaj sia.
Muaj ntau ntau qhov laj thawj vim li cas oxygen tseem ceeb. Qhov laj thawj tseem ceeb tshaj plaws yog qhov tsim nyog rau cov txheej txheem ua pa. Ua pa yog cov txheej txheem uas cov hlwb hauv peb lub cev tsim lub zog. Oxygen plays lub luag haujlwm tseem ceeb hauv cov txheej txheem no vim nws yog qhov kawg electron txais hauv cov saw hlau hloov hluav taws xob. Yog tsis muaj oxygen, cov txheej txheem no tsis tuaj yeem tshwm sim, thiab peb lub hlwb tsis tuaj yeem tsim lub zog.
Oxygen kuj tseem ceeb vim tias nws pab tswj pH tus nqi ntawm peb cov ntshav. Thaum peb nqus pa oxygen, nws khi rau hemoglobin hauv peb cov qe ntshav liab, pab thauj oxygen mus rau cov hlwb hauv peb lub cev. Yog li ntawd, kev tswj hwm tus nqi pH hauv peb cov ntshav yog qhov tseem ceeb rau peb txoj kev noj qab haus huv tag nrho.
Ntxiv nrog rau cov haujlwm no, oxygen kuj tseem ua lub luag haujlwm tseem ceeb hauv peb lub cev tiv thaiv kab mob. Peb lub cev tiv thaiv kab mob siv cov pa oxygen los tua cov kab mob thiab lwm yam kab mob uas tsis zoo, uas pab kom peb noj qab nyob zoo thiab tsis muaj kab mob.
Tsis tas li ntawd, oxygen yog qhov tseem ceeb rau kev noj qab haus huv ntawm peb lub hlwb. Peb lub hlwb siv 20% ntawm cov pa oxygen uas peb nqus tau, yog vim li cas hypoxia tuaj yeem ua rau lub hlwb puas. Oxygen kuj tseem ceeb heev rau kev noj qab haus huv ntawm peb lub siab. Peb lub plawv xav tau cov pa tsis tu ncua kom ua haujlwm zoo.
Nyob rau hauv luv luv, lub luag hauj lwm ntawm oxygen tsis tuaj yeem overemphasized. Nws yog ib qho tseem ceeb rau tib neeg lub neej thiab kev ciaj sia ntawm tag nrho cov kab mob nyob. Qhov tseem ceeb ntawm cov pa oxygen yuav tsum tsis txhob raug tso cai, thiab peb yuav tsum ua txhua yam los xyuas kom meej tias peb txuas ntxiv kom tau txais cov ntsiab lus tseem ceeb no.