B3 - Blood Vessels Flashcards
1
Q
What type of pressure is there in an artery and how is this created?
A
There is a high pressure due to the strong and elastic walls.
2
Q
How would you describe the wall thickness of an artery?
A
Thick.
3
Q
How is an artery made strong?
A
Thick layers of muscle.
4
Q
How do elastic fibres help arteries?
A
They help it to spring back.
5
Q
What are the role of capillaries?
A
Exchange substances with cells.
6
Q
What do arteries do?
A
They carry blood from the heart.
