![Qhov hloov pauv roj nyob qhov twg hauv lub ntsws? Qhov hloov pauv roj nyob qhov twg hauv lub ntsws?](https://i.answers-medical.com/preview/medical-health/13922245-where-in-the-lungs-does-gas-exchange-take-place-j.webp)
Video: Qhov hloov pauv roj nyob qhov twg hauv lub ntsws?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Kev sib pauv roj yog kev xa cov pa oxygen los ntawm lub ntsws mus rau cov hlab ntshav, thiab tshem tawm cov pa roj carbon dioxide los ntawm cov hlab ntshav mus rau lub ntsws . Nws tshwm sim hauv lub ntsws nruab nrab ntawm alveoli thiab network ntawm cov hlab ntshav me me hu ua capillaries, uas nyob hauv phab ntsa ntawm alveoli.
Tib neeg kuj nug, qhov sib pauv roj nyob qhov twg?
alveoli
Tsis tas li ntawd, yuav ua li cas diffusion tshwm sim hauv alveoli? Thaum nyob hauv cov leeg capillaries, cov nthuav tawm ntawm cov pa tshwm sim : oxygen diffuse los ntawm alveoli rau hauv cov ntshav & carbon dioxide los ntawm cov ntshav mus rau hauv alveoli . Ntshav tawm ntawm cov leeg capillaries rov qab mus rau sab laug atrium; yog pumped los ntawm sab laug ventricle rau hauv cov kab ke.
Cov lus nug tseem yog, cov pa sib pauv li cas hauv lub ntsws?
Lub luag haujlwm tseem ceeb ntawm txoj kev ua pa yog pauv oxygen thiab carbon dioxide. Nqus tau cov pa nkag mus rau lub ntsws thiab mus txog rau alveoli. Cov pa hla sai dhau los ntawm cov pa cua-cov pa no mus rau hauv cov ntshav hauv cov hlab ntshav. Ib yam li ntawd, cov pa roj carbon dioxide hla ntawm cov ntshav mus rau hauv alveoli thiab tom qab ntawd ua pa.
Cov cua nkag mus rau hauv lub ntsws li cas?
Lawv cog lus rub koj lub tawb tav ob sab saum toj thiab sab nraud thaum koj nqus. Raws li koj lub ntsws nthuav, cua yog nqus los ntawm koj lub qhov ntswg lossis qhov ncauj. Cov cua taug kev hauv koj lub raj cua thiab mus rau hauv koj lub ntsws . Tom qab dhau los ntawm koj cov hlab ntsws, tus cua taug kev mus rau alveoli, lossis cua hnab.
Pom zoo:
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