The red respiratory protein of red blood cells (erythrocytes) which when combined with oxygen is known as oxyhemoglobin and transports oxygen from the lungs to the tissues where the oxygen is readily released
Iron
The importance of iron in human metabolism
Iron is important for human life. It is found in every cell of the human body. Iron is essential to manufacture hemoglobin found in the red blood cells and myoglobin found in muscles. These two are oxygen-carrying proteins. Hemoglobin carries oxygen from the lungs to different parts of the body.
