The pulmonary artery is distinguished from the pulmonary vein by having:

  • A
    Wide lumen
  • B
    Thick muscular walls
  • C
    No endothelium
  • D
    Valves

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Similar Questions

Which of the following is another characteristic of the circulatory system in animals where the volume of blood is limited?

Vasoconstriction leads to........

Assertion : When there is a fall in the blood pressure due to loss of blood volume,this is compensated by vasoconstriction of veins.
Reason : Veins hold the extra amount of blood which can be shifted to the arteries as required.

What does $Vasa$ $vasorum$ represent?

The internal carotid artery supplies blood to which of the following?

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