The topics covered include: Teaching and understanding the basic principles of biological inorganic chemistry. Also, describe bioinorganic systems through the correlation of the function structure and activity of inorganic elements within the organisms; Discuss the properties of biological molecules; Role and function of inorganic elements in biological system; Explain how metal ions interact with biological environments and how these interaction influences the properties of metal centers; Stratify principles of coordination chemistry to clarify how nature tailors properties of metal centers for specific applications; A systematic study of trace element biosystems; Discuss the role of enzymes and coenzymes, macrocyclic and chelating ligands of metal ions in medicine.