Bio 20

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When blood enters a vein from a venule, the blood pressure

A) remains constant because of the heart's pumping action
B) increases because of the size of the vein
C) increases because of stretch receptor stimulation
D) decreases because of the size of the vein

Please help!!!!!

  • Bio 20 -

    Although this is not my major area of expertise, I would say D.

    For the same volume of water, a thin hose has more pressure than a larger one.

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