Circulatory system Flashcards
1
Q
what is the function of an artery?
A
- Carries blood away from the heart
- thick walls and thick lumen to withstand high pressure
2
Q
What is the function of an apillary?
A
- one cell thick wall
- allows fast diffusion between blood and cells
3
Q
What is the function of a vein?
A
- carries blood back to the heart
- thin walls and wide lumen to prevent backflow
4
Q
What can restrict blood flow?
A
A build up of fat in the arteries
5
Q
what does a stent do?
A
opens up the vessel to prevent fat build up
