- Created by: Meli3380
- Created on: 17-02-20 15:41
Arteries - These carry the blood away from the heart
Capillaries - These are involved in the exchange of materials at the tissues
Veins - These carry the blood to the heart
- The heart pumps the blood out at a high pressure so the artery walls are strong and elastic.
- The walls are thick compared to the size of the hole down the middle. [lumen]
- They contain thick layers of muscle to make them strong , and elastic fibres to allow them to stretch and…