Blood vessels

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  • Created by: Meli3380
  • Created on: 17-02-20 15:41

Blood vessels

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

Arteries:

  • 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

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