Some of the saltiest sources of packaged foods include: 1  deli meat. 2  frozen pizza. 3  vegetable juices.  canned 1  soup. canned or bottled tomato products.
Antibodies show the following characteristics and perform different functions. (i) IgA: It is the second most abundant class, constituting about 10 to 15 per cent of antibodies of serum. It is mainly found in sweat, tears, saliva, mucus, colostrum (first milk secreted by a mother) and gastrointestinal secretions. Smaller quantities are present in blood and lymph.
This antibody is found in body fluids such as tears, saliva, and other bodily secretions. It is an antibody that provides a first line of defense against invading pathogens and allergens, and is the body's major defense against viruses.