What is myoglobin?
a. Storage form of hemoglobin
b. Transport form of hemoglobin
c. Iron-containing protein found in the liver
d. Iron-containing protein found in muscle fibers
Question 2
Why is iron not well absorbed from the intestinal tract?
a. Most people consume too much iron on a daily basis.
b. The physiological roles involving iron are limited and are of minor importance.
c. Over-absorption of iron has potentially harmful physiological effects.
d. Most people don't have the enzymes needed to absorb iron, especially as they age.