[B] Identify the blood vessel labeled B.  [D] Identify the blood vessel labeled D. 

[B] Identify the blue blood vessel labeled B. [M] Identify the blue blood vessel labeled M.  

[A] Identify the red blood vessel labeled A. [B] Identify the red blood vessel labeled B.

[C] Identify the red blood vessel labeled C. [D] Identify the red blood vessel labeled D.

[B]  Identify the blood vessel labeled B. [F] Identify the blood vessel labeled F. 

[E] Identify the blood vessel labeled E.  [F] Identify the blood vessel labeled F. 

[B] Identify the red blood vessel labeled B. [C] Identify the red blood vessel labeled C.

[TYPE] Identify the type of blood vessel labeled B.  [A] Identify the layer of the blood vessel labeled A. 

[A] Identify the blood vessel labeled A.  [C] Identify the blood vessel labeled C. 

[A] Identify the blood vessel labeled A. [G] Identify the blood vessel labeled G.