The Importance of Iron

Iron is a chemical element abundant on Earth, forming much of its core and crust. Historically, it has been used since ancient times, with the Hittites pioneering smelting, leading to the Iron Age. Today, iron is crucial in industry, forming alloys like steel. Iron compounds have diverse applications, from water purification to treating anemia. Biologically, iron is vital for chlorophyll production in plants and hemoglobin in humans, with iron-rich foods supporting various bodily functions.

Explain how iron is involved in the human body's growth and development.

List some examples of iron-rich foods.