Hom ntshav nyob qhov twg?

Cov txheej txheem:

Hom ntshav nyob qhov twg?
Hom ntshav nyob qhov twg?
Anonim

Hom O yog qhov tshwj xeeb tshaj plaws ntawm cov neeg hauv paus txawm ntawm Central thiab South America, qhov twg nws mus txog 100%. Nws kuj yog ib qho tseem ceeb ntawm Australian Aborigines thiab nyob rau hauv Western Europe (tshwj xeeb tshaj yog nyob rau hauv cov pejxeem nrog Celtic pog koob yawg koob).

ntshav hom O tsis zoo tuaj qhov twg?

Ntau dua cov hom ntshav O tsis zoo muaj nyob hauv tib neeg los ntawm Spain, Iceland, New Zealand, thiab Australia. Muaj ntau hom ntshav xws li A+, A-, B+, B-, AB+, AB-, O+, thiab O-. Hom ntshav ntawm tib neeg yog txiav txim los ntawm chromosome 9. Tus menyuam yug los ntawm niam txiv uas yog ob leeg O yuav yog O.

Vim li cas O qhov tsis zoo thiaj li tsawg?

Cov neeg muaj ntshav O tsis zoo feem ntau xav tias lawv cov ntshav tsawg npaum li cas vim nws ib txwm xav tau los ntawm tsev kho mob thiab cov chaw muab ntshav. … Txawm li cas los xij, hom ntshav tsawg tshaj plaws hauv ntiaj teb yog Rh-null, uas tsis tshua muaj peb feem ntau tsis tau hnov dua. Tsawg dua 50 tus neeg hauv ntiaj teb cov pej xeem paub tias muaj ntshav Rh-null.

O Cov neeg tsis zoo puas tau txais cov ntshav?

Thaum ntxov muaj tus kabmob kis thoob ntiaj teb, qee cov ntawv tshaj tawm qhia tias cov neeg muaj ntshav A-hom ntshav qab zib muaj feem cuam tshuam rau COVID, thaum cov ntshav O-hom tsawg dua. Tab sis kev tshuaj xyuas ze li ntawm 108, 000 tus neeg mob hauv peb lub xeev kev noj qab haus huv network tau pom tsis muaj qhov sib txuas ntawm txhua hom ntshav thiab COVID kev pheej hmoo.

hom ntshav twg nyob ntev tshaj?

Txoj sia. Muaj feem ntau dua koj yuav nyobntev yog tias koj muaj hom O. Cov kws tshaj lij xav tias koj qhov kev pheej hmoo tsawg dua ntawm cov kab mob hauv koj lub plawv thiab cov hlab ntsha (kab mob plawv) yuav yog ib qho laj thawj rau qhov no.

Pom zoo:

Nthuav cov khoom
Thaum twg peb lub pas dej tauv tsim?
Nyeem ntxiv

Thaum twg peb lub pas dej tauv tsim?

Peb lub Gorges Dam yog lub pas dej loj loj uas hla tus Dej Yangtze los ntawm lub nroog Sandouping, hauv Yiling District, Yichang, Hubei xeev, nruab nrab Tuam Tshoj, nqes ntawm peb Gorges. Peb Gorges Dam tau ua lub chaw nres tsheb loj tshaj plaws hauv ntiaj teb raws li kev teeb tsa muaj peev xwm txij li xyoo 2012.

Puas yog acetamide muaj ntxhiab tsw?
Nyeem ntxiv

Puas yog acetamide muaj ntxhiab tsw?

Cov tshuaj acetamide yog cov tshuaj acetic acid-derived uas tau txheeb pom tias yog tsw zoo li ammonia lossis vinegar. Nws tseem yuav cling rau qhov chaw uas musculus nyob rau hauv pw tsaug zog thiab yuav tau txais zaub mov scrounge. Vim li cas acetamide yaj hauv dej?

Kuv puas tau mob plawv?
Nyeem ntxiv

Kuv puas tau mob plawv?

Feem ntau, lawv tshwm sim los ntawm kev ntxhov siab thiab kev ntxhov siab, lossis vim tias koj tau muaj caffeine, nicotine, lossis cawv ntau dhau lawm. Lawv kuj tuaj yeem tshwm sim thaum koj cev xeeb tub. Muaj tsawg zaus, palpitations tuaj yeem yog ib qho cim ntawm lub plawv mob hnyav dua.