Multiple Choice
Which of these statements does NOT correctly describe veins?
A) They act as low-resistance passageways for blood flow from the tissues to the heart.
B) They always contain deoxygenated blood.
C) They contain one-way valves that prevent the backflow of blood.
D) Their walls are thinner than those of arteries.
Correct Answer:

Verified
Correct Answer:
Verified
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