This book is a pioneering study of the physiology of digestion, based on the research of Ivan Pavlov, the Nobel Prize-winning Russian scientist. In a series of lectures, Pavlov presents his findings on the secretion of digestive juices by the salivary glands, stomach, pancreas, and liver, and their role in the process of digestion. He also explores the reflexes and conditioning that influence the digestive system, and considers the implications...