circulation

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Last updated 6:06 AM on 6/14/24
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28 Terms

1
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facons augmenter retour de sang dans veines

  • excercises

  • gravite

  • inspiration

  • valvues

2
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exercises

muscles entoure veines =serre sang retourne a coeur quand contract

3
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gravite

etre debout/elever jambes → aide debit sang au coeur

4
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inspiration

diaphragme serre vais. sang. dans abdom. → force sang vers coeur

5
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valvues

augment retour sang en empeche sang de revenir en arriere

6
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coeur droite

pompe sang provenant diff. organes vers poumons

7
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coeur gauche

pompe sang oxyg. par poumons vers organes

8
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coeur

organe moteur du syst. circulatoire → forme de 2 pompes

  • coeur droite/gauche

9
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circulation pulmonaire

petit circ. = coeur dr → poumons → coeur g.

10
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circulation systemique

grande circ = coeur g. → organes → coeur dr

11
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direction arteres/arterioles

coeur → organes

12
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direction veines/veinules

organes → coeur

13
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capillaires

plus petit vais. sang. (~10cm) = reunis arterioles au veinules

14
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direction de circulation

arteres → arterioles → capillaires → veinules → veines

15
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oreillettes/ventricules

coeur forme de 4 cavites:

  • 2 oreilletes (g/dr), 2 ventricules (g/dr)

16
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oreillettes structure

mur mince

17
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ventricules structure

mur epais (gauche=plus epais)

18
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enveloppe de coeur

recouvert muscle card. par tissue fibreux resistant (int/ext)

19
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myocarde

muscle cardiaque

20
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envelope interieure

endocarde (couche mince)

21
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envelope exterieure

pericarde visceral/epicarde

22
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valvues card.

control flux sang entroreillette et ventricules

23
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valvules auriculo-ventriculaires

coeur dr = tricuspide, gauche = bicuspide/mitrale

24
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valvules pulmonaires/aortique

sigmoides droite/gauche

25
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Lub

sourd, ferm.

  • valv. auriculo-ventr → debut systole ventri.

26
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Dub

sec/bref

  • fermer valv. aortique/pulmon = fin systole ventri.

27
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faits de coeur

  • capacite: 70 fois/min = au repos

  • chasse 5L = meme temp

    • depend volume sang corp

  • contraction coeur

28
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contraction coeur

maniere intriseque, aucune stim nerv