Iron-deficiency anemia occurs because of a lack of the mineral iron in the body. Bone marrow in the center of the bone needs iron to make hemoglobin, the part of the red blood cell that transports oxygen to the body's organs. Without adequate iron, the body cannot produce enough hemoglobin for red blood cells.
(Ä­n-fÃ»râ²mÄ­-tÄ) n. pl. inÂ·firÂ·miÂ·ties. 1. a. The condition of being infirm, often as associated with old age; weakness or frailty: the infirmity brought on by the disease. b. A bodily ailment or weakness: complained about his infirmities.
infirm definition: The definition of infirm is being sickly or weak, or not strong in will or character. (adjective) An old and sickly person is an example of someone who is infirm. When you cannot make or stick to a decision and are weak-willed, t...