the blood vessels Flashcards
1
Q
explain the vein walls
A
veins have thin elastic walls that cary blood under low pressure
2
Q
explain the artery walls
A
the arteries have thick muscular walls that carry blood under high pressure
3
Q
explain the capillary walls
A
the capillary walls are very thin (only one cell layer thick)
4
Q
the pulmonary artery
A
transports deoxygenated look from the right ventricle to the lungs to be oxygenated
5
Q
the aorta
A
transports oxygenated blood from the left ventricle to the rest of the body
6
Q
the pulmonary artery and the aorta
A
each have a valve at the opening, as they leave the heart.
7
Q
what are the aorta and pulmonary artery valves called
A
the semilunar valves (the sound of the heartbeat is made by the closing of both these valves and the strip ventricular valves)
