![Lub luag haujlwm ntawm cov hnab alveolar yog dab tsi? Lub luag haujlwm ntawm cov hnab alveolar yog dab tsi?](https://i.answers-medical.com/preview/medical-health/14161939-what-is-the-function-of-the-alveolar-sacs-j.webp)
Video: Lub luag haujlwm ntawm cov hnab alveolar yog dab tsi?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov hnab ntim alveolar yog cov hnab ntim ntawm ntau lub alveoli, uas yog cov hlwb uas pauv oxygen thiab carbon dioxide nyob rau hauv lub cev. lub ntsws . Cov alveolar ducts pab cov alveoli hauv lawv txoj haujlwm los ntawm kev khaws cov huab cua uas tau nqus thiab thauj los ntawm cov kab mob, thiab faib nws mus rau alveoli hauv lub hnab alveolar.
Ib yam nkaus, qhov txawv ntawm alveoli thiab alveolar sacs yog dab tsi?
1. Alveoli yog tsim los ntawm cov txheej txheej epithelial thiab cov txheej txheem sab nrauv uas nyob hauv cov hlab ntshav thaum alveolar hnab yog qhov kawg ntawm qhov kawg cov leeg cev. 2. Cov alveoli tas yog tsim los ntawm pab pawg lossis pawg ntawm alveoli , thiab nws yog qhov uas lawv sib tham thaum lub sijhawm alveoli yog tsim los ntawm collagen thiab elastic fibers.
Tom qab ntawd, lo lus nug yog, dab tsi tshwm sim hauv alveoli? Alveoli yog cov hnab cua me me hauv koj lub ntsws uas nqa cov pa oxygen uas koj nqus tau thiab ua kom koj lub cev mus. Txawm hais tias lawv yog microscopic, alveoli yog cov kws ua haujlwm ntawm koj lub tshuab ua pa. Thaum koj ua pa, lub alveoli nthuav kom tau txais cov pa. Thaum koj ua pa tawm, tus alveoli ntsws kom tshem tawm cov pa roj carbon dioxide.
Dab tsi yog alveolar sacs surrounded los ntawm?
Cov pa nqus pa ua pa nkag mus rau cov leeg ducts, (uas yog nyob ib puag ncig los ntawm cov leeg nqaij, elastin thiab collagen), uas coj mus rau hauv alveolar hnab . Cov no muaj ob peb alveoli , nyob ib puag ncig los ntawm cov hlab ntsha - los ntawm pulmonary system.
Ob txoj haujlwm ntawm alveoli yog dab tsi?
Kev ua haujlwm ntawm alveoli yog kom tau txais cov pa oxygen mus rau hauv cov ntshav rau kev thauj mus rau cov ntaub so ntswg, thiab tshem tawm cov pa roj carbon dioxide los ntawm cov ntshav. Hauv lub ntsws , huab cua tau hloov mus rau hauv cov ceg ntoo me thiab me dua hu ua ua pa bronchioles, uas txuas rau cov hlab pas.
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