A transition metal; classified as a 'micromineral'
How is iron used in the body?
used as a prosthetic group by maby biologically important proteins eg. heme groups of hemoglobin, myoglobin, cytochrome c, peroxidases, hydroxylases, generally found in enzymes involved in carrying or metabolizing oxygen
How much iron does the average person contain>
approx 3-4 grams
about 60% of this amount in found in blood
How do we lose iron?
shedding of epitherlial surfaces, through intestine (occult blood loss), menstruation, lactation
What are the signs of iron deficiency?
Amenia, low bloor idon: pale skin, tired and weakness, difficulty maintain body temperature, shortness of breath, an inflamed tongue, diminished cognitive function, decreased immune function
Who are at most risk for iron deficiency anemia?
Alcoholics, patients with infectious, inflammatory, or neoplastic diseases (cancer)