1. Answer a) or b): a)Describe how iron and hemoglobin interact. How are they used by our bodies? b)I)escribe a biological function of hemoglobin. Write the chem ical reaction fa- the function.
2. Find out what difference it makes from a nutritional standpoint (if any) whether iron exists in the body. as ferric or as ferrous ion.
3. What is the minimum daily requirement of iron? 4. What are negative effects of having too much iron in the body? What disease may it cause’?
