Structure and Function

  • The function of veins is to collect the blood from the tissues annd convey it at a low pressure to the atria of the heart.
  • Veins have a specialised structure to accomplish this task:
    • relatively wide lumen (to wall thickness) - maximise blood flow for more effective return
    • thin wall containing less muscle and elastic fibre - blood flowing at very low pressure
    • due to


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