![Cov ntshav hloov pauv li cas hauv lub ntsws? Cov ntshav hloov pauv li cas hauv lub ntsws?](https://i.answers-medical.com/preview/medical-health/14018022-what-changes-in-the-composition-of-blood-occur-in-the-lungs-j.webp)
Video: Cov ntshav hloov pauv li cas hauv lub ntsws?
![Video: Cov ntshav hloov pauv li cas hauv lub ntsws? Video: Cov ntshav hloov pauv li cas hauv lub ntsws?](https://i.ytimg.com/vi/WJzP7w3QFbY/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Ntawm no, cov pa ya mus los ntawm cov hnab cua me me hauv lub ntsws , los ntawm cov phab ntsa ntawm lub capillaries, mus rau hauv lub ntshav . Tib lub sijhawm, cov pa roj carbon dioxide, cov khoom pov tseg ntawm cov metabolism, hla los ntawm ntshav rau hauv lub hnab cua. Cov pa roj carbon dioxide tawm ntawm lub cev thaum koj nqus pa.
Ib sab ntawm qhov no, hloov dab tsi tshwm sim thaum ntshav nce mus rau lub ntsws?
Koj lub ntsws xa cov pa oxygen thiab tshem cov pa roj carbon dioxide los ntawm koj ntshav hauv txheej txheem hu ua kev sib pauv roj. Kev sib pauv roj tshwm sim hauv cov hlab ntshav ncig ib puag ncig alveoli, qhov uas cov pa pa tau nqus nkag circulatory system thiab carbon dioxide nyob hauv ntshav yog tso tawm rau lub ntsws thiab tom qab ntawd ua pa tawm.
Tsis tas li ntawd, lub ntsws ua pa oxygenate ntshav li cas? Sab hauv cov hnab cua, cov pa txav hla cov ntawv-phab ntsa nyias mus rau qhov me me ntshav cov hlab ntsha hu ua capillaries thiab rau hauv koj ntshav . Los ntawm qhov ntawd nws yog pumped rau koj lub ntsws yog li ntawd koj ua tau nqus cov pa roj carbon dioxide thiab nqus pa ntau dua cov pa.
Kuj paub yog, vim li cas lub ntsws thiaj muaj cov hlab ntshav ntau?
Nws yog alveoli uas tau txais cov pa oxygen thiab xa nws mus rau ntshav . Alveoli thiab capillaries ob leeg muaj cov phab ntsa nyias nyias, uas tso cai rau cov pa nkag los ntawm alveoli mus rau ntshav . Cov capillaries ces txuas mus rau qhov loj dua cov hlab ntsha , hu ua leeg, uas nqa cov pa oxygen ntshav los ntawm lub ntsws mus rau lub plawv.
Lub ntsws ua dab tsi hauv cov hlab ntshav?
Cov lub ntsws ' Lub luag haujlwm tseem ceeb yog nqa cov huab cua los ntawm huab cua thiab kis oxygen mus rau hauv cov hlab ntsha. Los ntawm qhov ntawd, nws nthuav mus rau tag nrho lub cev. Kev pab yog xav tau los ntawm cov qauv sab nraud lub ntsws txhawm rau ua pa kom raug.
Pom zoo:
Vim li cas thiaj muaj qhov hloov pauv ntawm cov ntshav ntws los ntawm cov txheej txheem zom zaub mov thaum lub sijhawm ua si?
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Thaum lub sijhawm ua haujlwm, cov hlab plawv rov faib cov ntshav kom ntau ntawm nws mus rau cov leeg ua haujlwm thiab tsawg dua nws mus rau lwm lub cev lub cev xws li lub plab zom mov. Kev hloov pauv ntawm cov ntshav ntws no yog tshwm sim los ntawm cov txheej txheem (lossis txheej txheem) hu ua vascular shunt mechanism
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Yam yuav hloov pauv tau yam muaj xws li: Dej cawv. Kev haus luam yeeb. Low Body Mass Index. Kev noj zaub mov tsis zoo. Vitamin D tsis txaus. Kev noj zaub mov tsis zoo. Estrogen tsis muaj peev xwm. Kev tawm dag zog tsis txaus
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Lub teeb yog mapped raws li ib tug duab nyob rau saum npoo ntawm lub retina los ntawm activating ib tug series ntawm lub teeb-sensitive hlwb hu ua rods thiab cones. Cov hlwb photoreceptor no hloov lub teeb mus rau hluav taws xob uas tau xa mus rau lub hlwb los ntawm cov hlab ntsha
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Cov hlwb no hu ua kev hloov pauv vim lawv tuaj yeem hloov pauv hauv lawv cov duab thiab cov qauv. Tsis tas li ntawd, cov hlwb yog stratified, uas txhais tau hais tias lawv tsim ob peb txheej. Cov stratified cells ntawm kev hloov pauv epithelium muab kev tiv thaiv thiab tso cai rau cov hlab ntsha nthuav dav kom haum rau cov kua
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Cov ntsev ntau hauv dej, siab dua osmotic siab. Raws li qhov xwm txheej ib txwm muaj, osmotic siab nyob rau hauv qhov chaw tso rau sab hauv yog zoo ib yam li hauv qhov chaw sab nrauv. Thaum lub cev qhuav dej tshwm sim, txawm li cas los xij, cov ntsiab lus ntawm cov ntsev nyob hauv ib lossis ntau qhov ntxiv lossis txo qis