Given are the sections of two pipes, A and B. If you need to represent blood vessels with these, which of the pipes would correspond to the artery and which one to a vein? Identify it and answer the following questions.
Which of the following statements is incorrect?

Options

A. A typically has larger lumen than B.
B. Walls of B are elastic enabling them to stretch and shrink during changes in blood pressure.
C. Flow of blood is slower in A than in B.
D. none of these

Answer

D