Question

...... is essential for the formation of hemoglobin.

calcium
iron
water
carbohydrate

Answer 1

Iron is essential for the formation of hemoglobin.

Answer 2

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Iron is an essential element for blood production. About 70 percent of your body's iron is found in the red blood cells of your blood called hemoglobin and in muscle cells called myoglobin. Hemoglobin is essential for transferring oxygen in your blood from the lungs to the tissues.

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