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.
Since meat, poultry, and seafood are the best sources of iron found in food, some vegetarians may need to take a higher amount of iron each day than what is recommended for other people. Follow the tips above to prevent anemia, and try to take vitamin C with the iron-rich foods you eat.ince meat, poultry, and seafood are the best sources of iron found in food, some vegetarians may need to take a higher amount of iron each day than what is recommended for other people. Follow the tips above to prevent anemia, and try to take vitamin C with the iron-rich foods you eat.