Video: Cov ntshav hauv lub cev yog dab tsi?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Ntshav yog cov kua dej tshwj xeeb hauv lub cev. Nws muaj plaub yam tseem ceeb: ntshav ntshav , cov qe ntshav liab , cov qe ntshav dawb , thiab cov 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.
Yog li ntawd, 3 yam ntawm cov ntshav yog dab tsi?
Cheebtsam ntawm cov ntshav. Cov khoom sib txawv uas ua rau ntshav. Plasma , cov qe ntshav dawb , cov qe ntshav liab , cov platelets.
Ib yam nkaus, cov khoom siv ntshav ntshav yog dab tsi? Plasma yog cov kua ua kua ntawm cov ntshav, uas cov qe ntshav liab, cov qe ntshav dawb, thiab cov platelets raug tshem tawm. Nws suav ntau dua li ib nrab ntawm cov ntshav ntim thiab muaj feem ntau ntawm dej uas muaj cov ntsev yaj (electrolytes) thiab cov protein . Qhov loj protein ntau Hauv plasma yog albumin.
Ua li no, puas yog cov feem pua ntawm cov ntshav sib xyaw?
Cov no ntshav hlwb (uas tseem hu ua corpuscles lossis "tsim cov ntsiab lus") suav nrog erythrocytes (liab ntshav hlwb, RBCs), leukocytes (dawb ntshav cell), thiab thrombocytes (platelets). Los ntawm ntim, liab ntshav cell tsim txog 45% ntawm tag nrho ntshav , ntshav txog 54.3%, thiab cov qe dawb txog 0.7%.
Muaj pes tsawg dej hauv koj cov ntshav?
Cov tib neeg ntshav muaj txog 45% ntawm erythrocytes thiab 54.3% ntawm plasma los ntawm ntim. Cov ntshav muaj li ntawm 92% dej , thaum cov erythrocytes, txog 64% los ntawm qhov hnyav. Cov ntshav yog me ntsis tsawg dua 80% dej.
Pom zoo:
Lub zais pa sawv cev dab tsi lub raj mis sawv cev yog lub zais pa sab hauv lossis sab nraum lub raj mis?
Yam twg ntawm tus qauv lub ntsws sawv cev rau lub ntsws, kab noj hauv siab, tav tav, thiab daim diaphragm? (Lub zais pa me me sab hauv lub raj mis yog lub ntsws
Dab tsi yog ob txoj hauv kev uas cov qe ntshav dawb tawm tsam cov kab mob uas nkag mus rau hauv lub cev?
Cov qe ntshav dawb tau nyiam cov kab mob vim tias cov protein hu ua cov tshuaj tiv thaiv tau cim cov kab mob rau kev puas tsuaj. Cov tshuaj tiv thaiv kab mob no tshwj xeeb rau cov kab mob ua rau muaj kab mob thiab kab mob. Thaum cov qe ntshav dawb ntes cov kab mob nws mus txog 'noj' nws nyob rau hauv tus txheej txheem hu ua phagocytosis
Cov kua ntshav ntshav yog dab tsi tom qab cov qe ntshav thiab cov ntshav khov tau raug tshem tawm?
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Dab tsi yog lub npe ntawm cov hlab ntshav uas nqa ntshav ntshav los ntawm lub taub hau caj dab thiab caj npab mus rau sab xis atrium?
Superior vena cava
Dab tsi hloov pauv tshwm sim hauv cov kua dej sab hauv thiab sab hauv lub cev thaum lub cev qhuav dej?
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