Blood vessels Flashcards
1
Q
What are the three kinds of blood vessels
A
Arteries, Veins and capillaries
2
Q
What are arteries?
A
blood vessels carrying blood away from the heart
3
Q
What do veins do?
A
Carry blood to heart
4
Q
Which 2 vessels carry a different kind of blood from the rest of their type?
A
Pulmonary vein and artery
5
Q
Function of Capillaries
A
Allows diffusion of gases and nutrients into body cells from bloodstream
6
Q
Which kind of vessel has the thickest walls and why?
A
arteries, due to needing to withstand blood flowing at high pressure
7
Q
Veins have valves, why?
A
To prevent backflow of blood
8
Q
Why do arteries have more elastic fibres?
A
Because that allows them to recoil back to their original size after each surge of blood
9
Q
Largest artery?
A
Aorta
10
Q
Largest vein
A
Inferior vena cava
