B2 - Blood Vessels Flashcards
1
Q
Veins function
A
Carries blood towards the heart under low pressure
1
Q
Arteries function
A
Carries blood away from the heart under high pressure
2
Q
Capillaries function
A
Acts as an efficient exhange surface and conncects arteries and veins
3
Q
Arteries wall thickness?
A
Thick
4
Q
Veins wall thickness?
A
Thin
5
Q
Capillaries wall thickness?
A
One cell thick
6
Q
What is the only blood vessel that contains valves?
A
Veins (to prevent the backflow of blood)
7
Q
Lumen
A
The inside space of a tubular structure
