Blood Vessels Flashcards
1
Q
Blood vessels
A
Leaves heart and travels through body
-decrease in diameter as move away from heart toward tissues and organs
2
Q
Arteries
A
Blood exits heart by this
3
Q
Arterioles
A
Branches of arteries
4
Q
Capillaries
A
Gas exchange between blood and tissue take place
5
Q
Venules
A
Small veins that collect deoxygenated blood from capillaries
-feed larger veins
6
Q
Veins
A
Return blood to heart
-some have valves, which prevent deoxygenated blood from back flowing to extremities
7
Q
Tunica adventitia
A
Outer layer of vessel
-composed of connective tissue
8
Q
Tunica media
A
Middle layer of vessel
-compose of smooth muscle
9
Q
Tunica intima
A
Thin inner layer of vessel
10
Q
Lumen
A
Interior space of vessel, which blood flows
