• Extensively revised and up-dated by incorporating the latest concepts and developments in the subject. • Figures and text have been replaced and over twenty five new figures and diagrams have been added. • Questions and answers added at the end of most of the experiments. • A new feature of the book is the introduction of OSPEs at the end of most experiments. • The section on Animal Experiments has been curtailed. • The Appendix supplies a vast amount of Physiological Data. •The book is meant primarily for MBBS, BDS and B.Ph.