The book "Experiments on the Nervous System with Opium and Metallic Substances, Carried Out Primarily for the Purpose of Determining the Nature and Influence of Animal Electricity" by Alexander Monroe is one of the important works in the field of science and medicine. In this book, the author describes in detail the results of his experiments aimed at studying the effects of opium and metallic substances on the nervous system of animals. The famous scientist tried to reveal and analyze the nature and significance of animal electricity in living organisms. The book Experiments on the Nervous System with Opium and Metallic Substances is a valuable resource for researchers in the field of neurology and biomedicine, as well as for anyone interested in the study of the effects of various substances on the human body. The analysis of the experiments carried out in this book can open new horizons in the understanding of the nervous system and help further research in this area of science.