1) Special proteins produced by the body in response to foreign substances including bacteria and viruses; there are five structurally distinct classes of immunoglobulins produced by plasma cells in the bone marrow and other lymphoid tissue that bind to and neutralize foreign substances (antigens).
People give up eating meat and animal products such as milk, cheese, and eggs for many reasons. But doing so may increase the risk of anemia, a potentially serious condition in which the body does not make enough oxygen-bearing red blood cells. For vegetarians who eliminate meat, anemia can be due to an iron deficiency.
Sickle cell anemia. The red blood cells of people with sickle cell disease are hard and have a curved edge. These cells can get stuck in the small blood vessels, blocking the flow of blood to the organs and limbs. The body destroys sickle red cells quickly.here are steps you can take to help prevent some types of anemia. 1  Eat foods high in iron: 2  For more sources of iron, visit http://ods.od.nih.gov/factsheets/iron.asp. 3  Cereal/breads with iron in it (100% iron-fortified is best.