Blood moves forward through veins because of all of the following except
A) the pressure in the veins is lower than in the arteries.
B) pumping by the smooth muscle in the wall of the vein.
C) valves permitting flow of blood in one direction only.
D) valves in the veins preventing the backward flow of blood.
E) skeletal muscle compression.
Correct Answer:
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Q8: After blood leaves the capillaries, it enters
Q23: The main control of peripheral resistance by
Q24: Which of the following is not a
Q25: Sinusoids can be found in the
A)skeletal muscle.
B)cartilage.
C)central
Q29: These vessels hold the largest percentage of
Q30: RBCs move single file through this structure.
A)artery
B)arteriole
C)capillary
D)venule
E)vein
Q31: The type of capillary that permits the
Q33: Capillaries with a perforated lining are called
A)
Q33: Total peripheral resistance is related to all
Q79: Each of the following changes will result
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