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.
A strong acid is an acid which essentially ionizes all its hydrogen ions in water solution. One of the best examples of the same is nitric acidâa corrosive and toxic strong acid which is used as an oxidizing agent in various industries.Nitric acid is also known as aqua fortis or azotic acid. Its molecular formula is HNO 3.dvertisement. A strong acid is an acid which essentially ionizes all its hydrogen ions in water solution. One of the best examples of the same is nitric acidâa corrosive and toxic strong acid which is used as an oxidizing agent in various industries. Nitric acid is also known as aqua fortis or azotic acid.