Training Manual . — Voronezh: VGU, 2008. — 143 s. — ISBN 978-5-9273-1324-4 . The physiological role of 29 biogenic s-, p-, d-elements (organogens, “metals of life” and others) is considered. ), the basis of the composition of bone and soft tissues , proteins, Nucleic Acids , fats, Vitamins, hormones, enzymes and other numerous biologically active compounds , Transferring information in cells , protein hydration and protein metabolism , maintain a normal level of osmotic pressure , Acid-chain equilibrium , Water-salt exchange, The life of a human being. Examples are given of how excess or deficiency of specific elements affects vital functions of the body. Information on the use of a number of chemicals in medical practice. The textbook can also be used by first-year students of medical and pharmaceutical universities, medical schools, high school students and schools .