The book "Treatise on physiology and hygiene for educational institutions and a wide range of readers" was written by the famous American author Joseph Chrisman Hutchison. This book is a key source of knowledge about physiology and hygiene, intended for both educational institutions and the general public. The author examines in detail the main aspects of the functioning of the human body, the separation of various body systems and the interconnection of the external environment. Readers will be able to familiarize themselves with important aspects of a healthy lifestyle and disease prevention measures. Thoroughly researched and accessible to a wide range of readers, Hutchison's book is an essential part of the library of anyone concerned with their health and well-being.