4 AND 5 Flashcards
1
Q
blood flow through heart
A
- RA
- Tricuspid valve
- RV
- Pulmonary semilunar valve
- Pulmonary trunk
- Pulmonary arteries
- Lungs
- Pulmonary veins
- LA
- Bicuspid valve
- LV
- Aortic semilunar valve
- Aorta
- Body
2
Q
supply blood to heart wall
* originate from base of aorta (above aortic
semilunar valve)
A
CORONARY ARTERIES
3
Q
- has 3 branches
- supply blood to anterior heart wall and left
ventricle
A
LEFT CORONARY ARTERY
4
Q
- originates on right side of aorta
- supply blood to right ventricle
A
RIGHT CORONARY ARTERY
5
Q
- drain blood from the cardiac muscle
- parallel to the coronary arteries
- most drain blood into the coronary sinus
- from the coronary sinus into the right atrium
A
CARDIAC VEINS
6
Q
- surface of heart (outside)
A
EPICARDIUM
6
Q
thick, middle layer
composed of cardiac
muscle
A
MYOCARDIUM
7
Q
smooth, inner surface
A
ENDOCARDIUM
