Cov txheej txheem:
Video: Muaj pes tsawg hom qe ntshav nyob hauv tib neeg lub cev?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Muaj peb leeg hom qe ntshav : liab cov qe ntshav , dawb cov qe ntshav , thiab platelets. Liab cov qe ntshav (RBCs) yog nyob deb ntawm ntau tshaj hom ntawm ntawm tes hauv tib neeg lub cev , suav rau ntau dua 80 feem pua ntawm txhua qhov hlwb . Neeg laus tib neeg muaj qhov chaw nyob ib ncig ntawm 25 trillion RBCs hauv lawv lub cev , ntawm qhov nruab nrab.
Raws li txoj cai, 4 hom qe ntshav yog dab tsi?
Nws muaj plaub yam tseem ceeb: ntshav, cov qe ntshav liab , cov qe ntshav dawb, thiab platelets.
Ib yam li ntawd, cov hlwb twg muaj nyob hauv cov ntshav? Cov qe ntshav. Ntshav muaj ntau hom cell: cov qe ntshav dawb (monocytes, lymphocytes, neutrophils, eosinophils, basophils, thiab macrophages), cov qe ntshav liab ( erythrocytes ), thiab platelets. Cov ntshav ncig hauv lub cev hauv cov hlab ntsha thiab cov hlab ntsha.
Tsis tas li ntawd, 3 hom qe ntshav yog dab tsi?
Muaj peb hom kab mob nyob hauv cov ntshav: cov qe ntshav liab (los yog erythrocytes ), cov qe ntshav dawb (los yog cov leukocytes ) thiab platelets (los yog thrombocytes ).
Dab tsi yog 3 hom qe ntshav thiab lawv txoj haujlwm?
Ntshav tau ua los ntawm cov ntshav feem ntau, tab sis 3 hom tseem ceeb ntawm cov ntshav xa mus nrog cov ntshav:
- Platelets pab cov ntshav kom khov. Clotting nres cov ntshav los ntawm lub cev thaum cov hlab ntsha lossis cov hlab ntsha tawg.
- Cov qe ntshav liab nqa oxygen.
- Cov qe ntshav dawb tiv thaiv kab mob.
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