Which of the following is correct about the tra... - WAEC Biology 1999 Question
Which of the following is correct about the transverse section of a vein, when compared with that of an
artery?
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 option: d
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