Precapillary sphincters control the flow of blood from
A) arteries to arterioles.
B) capillary network to arterioles.
C) capillary network to venules.
D) arterioles to capillary network.
Correct Answer:
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Q52: An increase in _ nerve impulse frequency
Q53: The tunica media is found in
A)veins only.
B)arteries
Q54: The diastolic blood pressure is the lowest
Q55: The systolic blood pressure is the greatest
Q56: At the arteriolar end of a capillary,
Q58: As a person's total length of the
Q59: Reduced levels of blood Ca2+
A)increase heart rate
Q60: The stroke volume is the
A)volume of blood
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Q62: _ is hardening of arteries resulting from
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