![Vim li cas RBC muaj txoj sia nyob 120 hnub? Vim li cas RBC muaj txoj sia nyob 120 hnub?](https://i.answers-medical.com/preview/medical-health/13904766-why-is-rbc-lifespan-120-days-j.webp)
Video: Vim li cas RBC muaj txoj sia nyob 120 hnub?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Ntev txhais lub neej dhau lawm 120 hnub txo tus nqi ntawm kev puas tsuaj ntawm tes thiab ua rau tus lej nce ntxiv RBCs hauv cov ntshav. Hloov pauv, phagocytosis ntawm RBCs hauv qab 120 hnub hnub nyoog cog lus rau cov pejxeem los ntawm kev nce qib ntawm kev puas tsuaj ntawm tes.
Ntxiv mus, vim li cas cov qe ntshav liab tuag tom qab 120 hnub?
Hauv qub hlwb , muaj qhov poob ntawm txoj haujlwm no vim qis qib ATP qis dua qib tseem ceeb, uas yog lub luag haujlwm ntawm lub sijhawm (hnub nyoog). Cov no hlwb tau cuab thiab nkag los ntawm splenic macrophages. Lub neej nruab nrab ntawm tib neeg ib txwm muaj xov tooj liab pom tau tias yog 120 +/- 20 hnub.
Tsis tas li ntawd, vim li cas cov qe ntshav liab tuag sai sai? Yog lawv tsis ua ua lawv txoj haujlwm, koj yuav maj mam tuag . Cov qe ntshav liab muaj cov protein hu ua hemoglobin uas muab rau ntshav nws liab Hawj txawm. Hemoglobin muaj hlau, uas ua rau nws yog lub tsheb zoo tshaj plaws rau kev thauj cov pa thiab carbon dioxide. Sijhawm dhau mus, cov qe ntshav liab tau hnav tawm thiab thaum kawg tuag.
Yog li, cov ntshav liab puas tuaj yeem nyob ntev dua 120 hnub?
Tab sis hauv lub neej tiag RBCs nyob txog 120 hnub (tshwj tsis yog Scarlett O'Negative, nws tsis txawj tuag). Thaum lawv laus thiab lawv daim nyias nyias pib rau qhia hnav thiab tsim kua muag (zoo li feem ntau ntawm peb), lawv raug tshem tawm ntawm ntshav kev ncig hauv tus po, daim siab thiab pob txha pob txha ntawm kwv yees tus nqi ib yam li cov tshiab tau tsim.
Cov qe ntshav liab puas tom qab 120 hnub?
Hauv tib neeg lub cev, cov qe ntshav liab (rbc) yog puas lawm hauv ib lub cev npe hu ua spleen. Qhov nruab nrab lub neej ntawm RBC yog 120 hnub tom qab nws yog puas lawm hauv tus po thiab nws cov khoom siv rov ua dua tshiab. Tus po hu ua graveyard of RBC's.
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