Iron is a chemical element with the symbol Fe and atomic number 26. It is a metal that is commonly found in the Earth's crust and is the most abundant element by mass. Iron has a silver-gray appearance and is known for its strength and durability.
Iron is an essential nutrient for many living organisms, including humans. It plays a crucial role in the transport of oxygen in the blood, as it is a key component of hemoglobin, the protein in red blood cells that carries oxygen from the lungs to the rest of the body.
In addition to its biological importance, iron is widely used in various industries. It is a key component in the production of steel, which is used in construction, transportation, and manufacturing. Iron is also used in the production of magnets, electrical wires, and machinery.
Iron can be found in various compounds and minerals, such as hematite, magnetite, and siderite. It can be obtained through the process of mining and refining.
Overall, iron is a versatile and important element with numerous applications in both biological and industrial contexts.
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