• Text: In the second edition, the content has been entirely reorganized and updated. Each chapter has been extensively revised and made clear and concise with emphasis on imparting a conceptual understanding.\n• Tables and illustrations: A picture speaks 1000 times more than words. New diagrams, flowcharts and tables are added to make learning still easier. Not only it helps to memorize and recap the topics, but also, presenting the text along with flowcharts and diagrams in exams helps the examiner easily assess the knowledge of the students. Usually, presentation with flowcharts and diagrams are more marks-fetching.\n• Two-color design: The layout has been largely re-worked to make it easier for the eye. Colored text and headings make studying more efficient and pleasing.\n• Clinical boxes: Dispersed throughout the book. Stress the clinical significance of the underlying physiology which facilitates comprehension and makes the material more enjoyable.\n• Clinical questions: The inclusion of clinical questions at the end of chapters will not only allow the students to test their knowledge of the subject, but also to focus their attention on areas most commonly addressed in the examinations.\n• Calculations: A new chapter on calculations has been added in this edition. It includes essential calculations in physiology with sample questions.