Lymph nodes are very small clusters of immune cells that function as part of the bodyâs immune system. There are more than 600 lymph nodes throughout the body, but the ones most frequently enlarged or swollen are the lymph nodes in the neck, under the chin, in the armpits, and in the groin.here are more than 600 lymph nodes throughout the body, but the ones most frequently enlarged or swollen are the lymph nodes in the neck, under the chin, in the armpits, and in the groin.
Uses of sulfuric acid. By far the largest amount of sulfuric acid is used to make phosphoric acid, used, in turn, to make the phosphate fertilizers, calcium dihydrogenphosphate and the ammonium phosphates. It is also used to make ammonium sulfate, which is a particularly important fertilizer in sulfur-deficient.
In the food industry hydrochloric acid is used to regulate the pH of solutions. High-quality hydrochloric acid is used to control the pH of water streams. It is also used to create food additives such as aspartame, fructose, citric acid, lysine, hydrolyzed vegetable protein. It is also used in the creation of gelatin.Hydrochloric acid is used in the process of removing ions such as sodium and chloride from water. It is used to demineralize water for use in industry, food and pharmaceuticals. It is also used to neutralizing waste water and sanitizing swimming pools.umerous other organic compounds are made from Hydrochloric acid for use in pharmaceuticals. Hydrochloric acid is used to create inorganic compounds such as iron chloride and polyaluminium chloride (PAC) . These are used as water treatment chemicals and coagulation agents for paper production.