bio (respiratie mamifere/om)

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12 Terms

1
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cai respiratorii

cavitate nazala, faringe, laringe, trahee, bronhii

2
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plamanii componente

bronhiole, canale alveolare, saci alveolari, alveole pulmonare

3
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plamanii trasaturi

se afla in cavitatea toracica

sunt alcatuiti din lobi (2 in plamanul stang, 3 in plamanul drept)

sunt acoperiti de pleura

schimbul de gaze respiratorii se face la nivelul alveolelor pulmonare

4
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inspiratia

se contracteaza diafragma si muschii dintre coaste, se mareste volumul cavitatii toracice si a plamanilor, presiunea din plamani scade, intra O2 in plamani

5
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expiratia

se relaxeaza diafragma si muschii dintre coaste, volumul din cavitatea toracica si plamani scade, presiunea din plamani creste, CO2 este eliminat

6
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VC

volum curent

7
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VIR

volum inspirator de rezerva

8
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VER

volum expirator de rezerva

9
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VR

volum rezidual

10
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VC+VIR+VER=

CV= capacitatea vitala

11
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CV+VR=

CPT= capacitate pulmonara totala

12
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boli

bronsita, laringita, pneumonie, TBC (bacilul Koch)