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.
Folic acid is used for preventing and treating low blood levels of folate (folate deficiency), as well as its complications, including âtired bloodâ (anemia) and the inability of the bowel to absorb nutrients properly.olic acid is used for preventing and treating low blood levels of folate (folate deficiency), as well as its complications, including âtired bloodâ (anemia) and the inability of the bowel to absorb nutrients properly.