______ have valves to prevent backflow.
A) Veins
B) Arteries
C) Capillaries
Correct Answer:
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Q94: Which pressure is greater on the arteriole
Q95: Constriction of the smooth muscle of an
Q96: At any given time,more than half the
Q97: Which pressure is greater on the venous
Q98: What type of cell connections is found
Q100: Which of the following is NOT pushed
Q101: Blood pressure is lowest in the
A)aorta.
B)capillaries.
C)superior and
Q102: Where is blood pressure the greatest?
A)Arteries.
B)Arterioles.
C)Capillaries.
D)All are
Q103: In general,the smaller the blood vessel,the _
Q104: Vasoconstriction in blood vessels is controlled by
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