Arteries, veins and capillaries Flashcards
(3 cards)
1
Q
Arteries
A
- Narrow lumen (blood forced through at high pressure)
- Thick elastic walls
2
Q
Veins
A
- Large lumen (blood travels at lower pressure)
- Thin alastic walls
- Contain valves which prevent backflow of blood
3
Q
Capillaries
A
- Narrow lumen
- Thin walls (1 cell thick) enables short diffusion distance
