In biology, iron is an essential trace element that plays a critical role in various physiological processes. Iron is necessary for the proper functioning of numerous proteins and enzymes in the body. Here are some key points about iron in biological systems: 1. **Role in Hemoglobin and Myoglobin**: One of the most well-known functions of iron is its incorporation into hemoglobin, the protein in red blood cells that binds and transports oxygen from the lungs to tissues throughout the body.
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