In vitro, the fetus produces hemoglobin from genes encoding gamma subunits. (scientificamerican.com)
Without enough iron, the body can't produce hemoglobin, which helps carry oxygen throughout the body and a multitude of symptoms can occur. (consumerhealthdigest.com)
One of the main functions of dietary iron is to help your body produce hemoglobin, a protein found in red blood cells. (nicolejardim.com)