In which form is iron usually present in the human body?

Question

Quizplus · Accepted Answer

Iron is usually present in the human body in association with proteins, such as hemoglobin and myoglobin. These proteins play important roles in oxygen transport and storage, respectively. Iron can also be found in other proteins involved in energy metabolism and DNA synthesis. Iron is not usually associated with fats, carbohydrates, or existing as free Fe atoms in the body, although small amounts of free iron can be toxic and cause damage to tissues.

In Which Form Is Iron Usually Present in the Human