Soc16: The Structure Of The Blood Vessels And Blood Distribution Flashcards
1
Q
Artery
A
Thick wall with elastic and muscle fibres
Quite a small lumen where the blood flows
Oxygenated Blood flows away from the heart
2
Q
Veins
A
Large lumen in comparison to diameter
Thin wall with little elastic or muscle fibres
Carries deoxygenated blood to the heart
3
Q
Capillaries
A
Is very small and one cell thick
The lumen is only just big enough for a red blood cell to fit through
Gas exchange occurs here