Which of the following is correct about the transverse section of a vein, when compared...
BIOLOGY
WAEC 1999
Which of the following is correct about the transverse section of a vein, when compared with that of an artery?
- A. The lumen of a vein is wider than that of an artery
- B. The endothelium of the vein is thinner than that of an artery
- C. There are more smooth muscles in a vein than in an artery
- D. There are valves in veins but not in arteries.
Correct Answer: D. There are valves in veins but not in arteries.
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