Blood Supply to Heart / Path within Heart Flashcards
1
Q
left coronary artery
A
- arises from base of aorta
- runs toward left side of heart
- 2 branches: anterior interventricular branch, circumflex branch
2
Q
right coronary artery
A
- arises from base of aorta
- runs toward right side of heart
- 2 branches: posterior interventricular artery, marginal artery
3
Q
marginal artery
A
- branch of right coronary artery
- supplies blood to tissue of R atrium, R ventricle
4
Q
posterior interventricular artery
A
- branch of right coronary artery
- supplies blood to tissue of R atrium, R ventricle
5
Q
nutrient supply to heart tissues
A
provided by left + right coronary arteries
6
Q
circumflex branch
A
- branch of left coronary artery
- supplies blood to tissue of L atrium, L ventricle
7
Q
blood flow through heart controlled by
A
4 heart valves
8
Q
path of blood flow through heart
A
- one direction
- vessels –> atria –> ventricles –> out of ventricles
9
Q
double pump
A
heart pumps blood through 2 circuits
10
Q
pulmonary circuit
A
- right circuit of blood flow
- send deoxygenated blood to lungs (to get oxygen)
11
Q
systemic circuit
A
- left circuit of blood flow
- sends oxygenated blood to body cells
