In comparing a parallel artery and vein, you would find that a. the artery wall is thicker. b. the artery diameter is greater. c. the artery lumen is smaller. d. the artery endothelium is thicker....

In comparing a parallel artery and vein, you would find that

a. the artery wall is thicker.

b. the artery diameter is greater.

c. the artery lumen is smaller.

d. the artery endothelium is thicker.

Which of these vessels is bilaterally symmetrical (i.e., one vessel of the pair occurs on each side of the body)?

a. Internal carotid artery

b. Brachiocephalic trunk

c. Azygos vein

d. Renal vein