Which of the following is true of an artery?
A) The vessel walls are relatively thin.
B) Blood flow is the slowest of all classes of vessels.
C) The histological structure permits a two-way exchange of substances between the blood and body cells.
D) The lumen is relatively smaller than that of a corresponding vein.
E) The adventitia is frequently absent.

Question

Quizplus · Accepted Answer

Arteries have thicker walls than veins due to their higher blood pressure, and therefore their lumen is relatively smaller than that of a corresponding vein.

Which of the Following Is True of an Artery