Prompted by the acceptance of the first edition, this endeavour of the author (the 2nd edition) incorporates thoroughly revised and updated text, organized into twelve sections arranged in three parts. Part I: General Physiology ??? covers the text in five chapters of a section. Part II: Systemic Physiology ??? comprises a total of ten sections, one on each body system. Part III: Specialized Integrated Physiology ??? includes seven chapters arranged in a section. ??? Text completed and updated with recent advances to cater the needs of postgraduates in Physiology. ??? Quick introduction to functional anatomy followed by systematic presentation of the text is unique feature of this book. ??? Inclusion of additional molecular and applied aspects makes the special features of this edition. ??? Applied physiology, highlighted in the boxes, has been expanded and updated with recent concepts on pathophysiology and advances in basic and advanced investigations and therapeutic principles. ??? Text and figures in an attractive four colored format. ??? Illustrated with more than eleven hundred colored diagrams with many new additions. ??? Complemented with numerous tables and flowcharts for quick comprehension.