When red blood cells are removed from blood circulation, most parts of the hemoglobin are recycled.  Iron is removed from the heme and stored in which of the following organs:

Erythropoeisis (RBC production) requires which of the following vitamins?

What mineral is essential for the final reactions of clotting?

Identify the structure labeled ‘A’ that resulted from fetal circulation.  

Identify the blue blood vessel labeled “A”

Identify the red vessel labeled “A”  (Indicate left or right)  

Identify this tissue. (Be specific) :  

Identify the valve labeled ‘A’ (be specific)  

Identify the strings labeled “C”

Identify the red vessel labeled ‘A’ of the arm vessel(indicate if it is left or right):