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  • Created by: Sophie
  • Created on: 15-04-13 13:16

*as arteries reach body tissues, they branch into arterioles, which branch into capillaries

*capillaries allow substances to be exchanged between blood and tissues.

*capillaries then join to form venules, which form veins and take blood back to heart.

Structure of capillaries:

  • cell wall of only one layer of flattened cells
  • gaps between…


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