Miyerkules, Agosto 31, 2011

ROLE OF IRON IN THE HUMAN BODY

Iron is an essential element for most life on Earth, including human beings.
Iron is needed for a number of highly complex processes that continuously take place on a molecular level and that are indispensable to human life, e.g. the transport of oxygen around your body!
Iron is required for the production of red blood cells (a process known as haematopoiesis) and is also the centre part of haemoglobin (that is the pigment of the red blood cells). Haemoglobin transports oxygen from the lungs via the arteries to all cells throughout the body and picks up carbon dioxide via the veins on its way back.

Iron is also involved in the conversion of blood sugar to energy and the production of enzymes which play a vital role in the human body for example when it comes to the production of new cells, amino acids, hormones and neurotransmitters.
The immune system is dependent on iron for its efficient functioning and physical and mental growth require sufficient iron levels, particularly important in childhood and pregnancy.

Iron is a vital mineral during pregnancy with the developing baby solely depending on its mother's iron supplies.
Iron is lost by the body through a variety of ways including urination, defecation, sweating, and exfoliating of old skin cells. Bleeding contributes to further loss of iron which is why women have a higher demand for iron than men.

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