circulation sanguine Flashcards

1
Q

définition du système circulatoire

A

-regroupe les organes intervenantv dans la circulation
- coeur, vaisseaux sanguins et sang

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2
Q

nom de la circulation du coeur vers les organes

A

circulation générale/ grande circulation

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2
Q

nom du trajet qui oxygène le sang

A

circulation pulmonaire, petite circulation

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3
Q

1

A

capillaires des poumons

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3
Q

2

A

coeur

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4
Q

3

A

capillaires d’un organe

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5
Q

4

A

poumons

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5
Q

8

A

sang pauvre en oxy
sang riche en oxy
direction du flux sanguin

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6
Q

6

A

circulation pulmonaire

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6
Q

7

A

circulation général

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7
Q

foctions du sysyème circulatoire

A

distribuer oygène et nutriments par le sang éliminer les déchets

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8
Q

circulation artérielle

A

coeur vers les organes

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9
Q

circulation veineuse

A

organes au coeur

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10
Q

description artère

A

paroie épaisse et résistante
exemple : aorte
artères >artèrioles> capillaires

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11
Q

description capillaires

A

paroie très mince, une seule couche de cellule endothéliales
échange entre sang et cellules

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12
Q

description veines

A

veines vont vers le coeur
paroie mine, peu de muscles, peu élastique
ont des valvules

13
Q

c quoi l’artériosclérose

A

l’artériosclérose est une condition où les artères deviennent épaisses et moins élastiques, rendant plus difficile pour le sang de circuler normalement dans le corps

14
Q
A