Q:

What is the advantage of having a wide lumen in veins?

waelhammad
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2022-10-18
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What is the advantage of having a wide lumen in veins?

  1. It provides less resistance to the blood on its way to heart
  2. It controls the opening and closing of the valves
  3. It produces high pressure on the blood on its way to heart
  4. It helps the pre-capillary sphincters to stay open for a longer time
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waelhammad
2022-10-18
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A: The larger is the vessel diameter, the less will be the resistance to blood flow. The other choices are nonsense.

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