19. The Blood Vessels
Arteries
Multiple Choice
Multiple ChoiceWhich of the following is true when comparing arteries and veins?
A
Arteries are less muscular than veins.
B
Arteries carry blood away from the heart; veins carry blood to the heart.
C
At any given time, there is more blood present in arteries than in veins.
D
Arteries have valves; veins do not.
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