Cardiovascular System Flashcards
1
Q
What are the 4 chambers of the heart?
A
Left Atrium
Right Atrium
Left Ventricle
Right Ventricle
2
Q
What is an artery?
A
Blood vessels that carry oxygenated blood away from the heart
3
Q
What is a vein?
A
Blood vessels that carry deoxygenated blood toward the heart
4
Q
Characteristics of arteries
A
Carry blood under high pressure
Have thick muscular and elastic walls
Narrow lumen
5
Q
Characteristics of veins
A
Carry blood under low-pressure
Have thinner walls than arteries
Have a wide lumen
Has valves
6
Q
What are valves in veins used for?
A
Prevent backflow
7
Q
What are capillaries?
A
Blood vessels connecting arteries and veins
8
Q
Characteristics of capillaries
A
Thin walls to provide shorter diffusion
