Why does blood have iron?

Jamie Gallagher answered on 15 Jun 2011: Hey Michelle,. That is a great question! It is great because you have thought about it like a real scientist. You have taken two ideas, seen the link and come up with a new idea, briliant. Iron is magnetic but we do not have enough in our blood to make us magnetic. read more

The purpose of the iron in hemoglobin, is that it will readily oxidize (which makes the blood cells look red) and then reduce under the right conditions to deliver the oxygen to the necessary tissue. read more

Iron supplements can cause side effects, usually stomach upset such as nausea, vomiting, diarrhea, dark stools, or constipation. read more

Iron is needed not only for blood, but also for brains. Neurotransmitters, the neurochemicals that carry messages from one nerve to another, require sufficient iron to function properly. A person with an iron deficiency may have a tired mind as well as a tired body. read more