The structure of a capillary wall differs from that of a vein or artery because
A) the capillary wall has only two tunics.
B) capillaries have more smooth muscle.
C) capillary walls have only endothelium and a basement membrane.
D) capillaries can constrict or dilate.
E) capillaries are impermeable to all substances.
Correct Answer:
Verified
Q20: Which type of capillaries have large fenestrae
Q21: Valves similar to the semilunar valves of
Q22: Atherosclerosis is the
A) hypertrophy of the tunica
Q23: Which of the following functions is associated
Q24: Which type of veins connect two primary
Q26: When contrasting arteries and veins, which of
Q27: Sympathetic nerve fibers that innervate blood vessel
Q28: The blood vessels that are under the
Q29: Veins
A) carry blood away from the heart.
B)
Q30: Systemic circulation
A) carries blood from the right
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