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.
What To Eat If You Have Anemia. If you have anemia, especially anemia brought about by iron-deficiency, below are some foods that will benefit you. (Check out the later sections if you are a vegetarian). Meats like beef, pork, mutton, fish and poultry are some of the best foods for anemic people with iron-deficiencies.