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.
1 IgM. 2  IgM antibodies are the largest antibody. 3  They are found in blood and lymph fluid and are the first type of antibody made in response to an infection. 4  They also cause other immune system cells to destroy foreign substances. 5  IgM antibodies are about 5% to 10% of all the antibodies in the body.6  IgE. They are found in blood and lymph fluid and are the first type of antibody made in response to an infection. 2  They also cause other immune system cells to destroy foreign substances. 3  IgM antibodies are about 5% to 10% of all the antibodies in the body.