. . "Toxicology (from the Ancient Greek words \u03C4\u03BF\u03BE\u03B9\u03BA\u03CC\u03C2 toxikos \"poisonous\" and \u03BB\u03CC\u03B3\u03BF\u03C2 logos) is a branch of biology, chemistry, and medicine (more specifically pharmacology) concerned with the study of the adverse effects of chemicals on living organisms. It also studies the harmful effects of chemical, biological and physical agents in biological systems that establishes the extent of damage in living organisms."@en .