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.
Many enzymes are produced by the body to carry out a variety of biochemical reactions. One such enzyme is esterase, which are of different types. One type of esterase is known as âleukocyte esteraseâ. White blood cells secrets this enzyme. Sponsored link. White blood cells protect the body but if leukocyte esterase is found in urine it means there is infection in urinary tract. Kidneys, bladder, ureters and urethra form the urinary system and when analysis of urine shows leukocytes (without nitrates) in urine it indicates infection in the system.