Blood Vessels Flashcards
1
Q
Blood vessels
A
Carry blood from the heart to the organs of the body and back to the heart
2
Q
Lumen
A
The space within the blood vessel
3
Q
Artery
A
Vessels composed of smooth muscle and elastic fibers that carry blood AWAY from the heart
4
Q
Arterioles
A
Small arteries of microcirculation created by the branching of arteries
5
Q
Capillaries
A
Microscopic connections between arterioles and venules. Very thin walls
6
Q
Venules
A
Small veins of microcirculation formed by the junction of several capillaries
7
Q
Vein
A
A vessel formed by the junction of several venules. They carry blood TO the heart.
8
Q
Valves
A
Allow for the flow of blood in veins to move in one direction to prevent backflow.
9
Q
Varicose Veins
A
When there’s too much stress on the valves they may not work right.
