Blood Vessels

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  • Created by: Olivia
  • Created on: 16-05-13 21:21

Blood Vessels are Designed for Their Function

There are three different types of blood vessel

  • Arteries- take blood away from the heart
  • Capillaries- these are involved in the exchange of materials at the tissues
  • Veins- take blood to the heart

Arteries Carry Blood Under Pressure

  • The heart pumps the blood out at high pressure so the artery walls are strong and elastic
  • The walls are thick comapred to the size of the hole down the midde (the lumen) They contain think layers of muscle to make them strong
  • The largest artery in the body is the Aorta

Cappilaries are really…

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