Why Is It Important for Iron to Be in the Ferrous

Why is it important for iron to be in the ferrous form in the digestive tract?

A) The conversion of ferrous iron to ferric iron,which occurs in the acidic environment of the stomach,renders the iron more soluble and more easily absorbed in the small intestine.
B) The ferrous form of iron binds more readily to ferritin and is easily absorbed bound to this protein.
C) The conversion of ferric iron to ferrous iron,which occurs in the acidic environment of the stomach,renders the iron more soluble and more easily absorbed in the small intestine.
D) The ferric form of iron binds more readily to transferrin and easily enters the blood in this form.

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