As a venous pathway moves closer to the heart,the veins
A) get smaller.
B) get larger.
C) show no change in their lumen size.
Correct Answer:
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Q13: Precapillary sphincters will
A)control blood flow into the
Q14: A network of small arteries called the
Q15: In general,as an artery's diameter decreases,there is
Q16: Which are considered end arteries?
A)Epigastric arteries
B)Renal arteries
C)Splenic
Q17: In arteries,the thickest layer of the wall
Q19: Gas,nutrient,and waste exchange occur between the _
Q20: In the elastic arteries,which of the tunics
Q21: The cerebral arterial circle is an anastomosis
Q22: The brachiocephalic veins are formed by the
A:
Q23: The artery that will eventually divide to
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