![Tus qauv ntawm cov qe ntshav liab cuam tshuam nrog nws txoj haujlwm li cas? Tus qauv ntawm cov qe ntshav liab cuam tshuam nrog nws txoj haujlwm li cas?](https://i.answers-medical.com/preview/medical-health/14168296-how-does-the-structure-of-a-red-blood-cell-relate-to-its-function-j.webp)
Video: Tus qauv ntawm cov qe ntshav liab cuam tshuam nrog nws txoj haujlwm li cas?
![Video: Tus qauv ntawm cov qe ntshav liab cuam tshuam nrog nws txoj haujlwm li cas? Video: Tus qauv ntawm cov qe ntshav liab cuam tshuam nrog nws txoj haujlwm li cas?](https://i.ytimg.com/vi/dQoUkurokk0/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lub ntsiab muaj nuj nqi ntawm ntshav liab yog thauj cov pa oxygen ncig lub cev mus rau lwm qhov hlwb . Nws biconcave cov duab ua kom thaj tsam zoo tshaj plaws kom ua tau zoo ntawm kev nqus pa. Nws cov duab kuj tso cai rau nws mus rau "squeeze" los ntawm cov hlab ntsha nqaim thiab tuaj yeem nkag mus txawm tias cov hlab ntsha thinnest nyob ib ncig ntawm lub cev.
Ua raws li qhov no, cov qauv ntawm cov qe ntshav liab hloov mus rau nws txoj haujlwm li cas?
Cov qe ntshav liab muaj kev hloov kho uas ua rau lawv haum rau qhov no: lawv muaj hemoglobin - a liab protein uas sib txuas nrog cov pa. lawv tsis muaj lub hauv paus yog li lawv tuaj yeem muaj ntau dua hemoglobin. lawv muaj cov duab biconcave (flattened disc duab) kom ua kom tiav lawv thaj chaw saum npoo rau kev nqus oxygen.
Tom qab ntawd, lo lus nug yog, tus qauv ntawm cov qe ntshav liab yog dab tsi? Vertebrate cov qe ntshav liab suav nrog feem ntau ntawm hemoglobin, cov metalloprotein nyuaj uas muaj cov pab pawg heme uas nws cov hlau atoms khi ib ntus rau cov pa oxygen (O2) nyob rau hauv lub ntsws lossis cov pos hniav thiab tso tawm thoob plaws lub cev. Oxygen tuaj yeem yooj yim diffuse los ntawm cov qe ntshav liab liab daim nyias nyias.
Qhov thib ob, cov duab ntawm cov qe ntshav liab cuam tshuam rau nws txoj haujlwm li cas?
Cov muaj nuj nqi ntawm cev liab thiab nws hemoglobin yog nqa cov pa oxygen los ntawm lub ntsws lossis cov pos hniav mus rau txhua lub cev nqaij daim tawv thiab nqa cov pa roj carbon dioxide, cov khoom pov tseg ntawm cov metabolism, mus rau lub ntsws, qhov uas nws tawm. The biconcave puab ntawm ntawm tes tso cai rau oxygen pauv ntawm tus nqi tas mus li ntawm thaj chaw loj tshaj plaws.
Cov qauv thiab kev ua haujlwm ntawm cov ntshav yog dab tsi?
Nws muaj plaub yam tseem ceeb: ntshav, ntshav liab hlwb , ntshav dawb hlwb , thiab platelets. Ntshav muaj ntau yam haujlwm, suav nrog: thauj cov pa oxygen thiab cov as-ham mus rau lub ntsws thiab cov ntaub so ntswg. tsim cov ntshav txhaws kom tsis txhob muaj ntshav ntau dhau.
Pom zoo:
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Tus lej cim cov tsos mob yuav tsum tsis txhob raug xaiv thaum nws tau txiav txim siab tias nws ib txwm cuam tshuam nrog cov txheej txheem kab mob. Nrog rau kev kis tus kab mob (Cov M02) ntawm cov pob qij txha vim yog kis kab mob los yog kab mob sib kis nyob rau lwm qhov, tus coder tau hais qhia rau 'tus lej ua ntej' tus kab mob hauv qab
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Cov leeg nqaij ntawm cov leeg no tau teeb tsa hauv cov hlab ntshav. Lawv tsim luv, mob hnyav. Cov leeg nqaij tswj hwm kev txav mus los yam tsis muaj kev cuam tshuam hauv lub cev. Nws sib cog lus yam tsis xav tau, tab sis nws cov qauv ntawm cov cellular tau teeb tsa hauv cov pob khoom zoo li cov leeg pob txha
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Lub paj hlwb positron emission tomography (PET) scan yog kev ntsuas duab uas tso cai rau cov kws kho mob pom tias koj lub hlwb ua haujlwm zoo li cas. Kev tshuaj xyuas ntes cov duab ntawm kev ua haujlwm ntawm lub hlwb tom qab cov tshuaj tiv thaiv kab mob "tracers" tau nqus mus rau hauv cov ntshav. Cov neeg taug kev no "txuas" rau cov sib txuas zoo li qab zib (qab zib)
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Cov tawv nqaij ua haujlwm tiv thaiv kev tiv thaiv, ib txoj hauv kev paub lub ntiaj teb, thiab txheej uas khaws cov khoom noj thiab dej hauv lub cev. Plaub hom cell ua rau ntawm daim tawv nqaij, thiab lawv yog tsim nyob rau hauv lub epidermis nyob ze rau hauv qab daus daim nyias nyias. Keratinocytes muaj cov qauv keratin thiab ua rau feem ntau ntawm cov epidermis
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Kev nqus tshwj xeeb ntsuas lub raum lub peev xwm los mloog lossis ua kom cov zis sib piv nrog ntshav. Vim cov zis yog ib qho kev daws teeb meem ntawm cov zaub mov, ntsev, thiab cov tebchaw yaj hauv dej, qhov tshwj xeeb lub ntiajteb txawj nqus yog ntau tshaj 1.000. ADH ua rau kom cov tubular dej rov nqus tau thiab txo qis cov zis