Three Blood Vessels Flashcards
1
Q
Arteries
A
Carry blood away from heart, usually high in oxygen, high in pressure. Thick walls of muscle. Narrow opening (called a lumen)
2
Q
Capillaries
A
Connects arteries and veins. Form branching capillary beds. Extremely thin walls. Let’s material move b/w blood and cells
3
Q
Veins
A
Carry blood towards the heart. Low in oxygen and pressure, thin walls