For freshman and limited calculus-based courses in Introduction to Biomedical Engineering or Introduction to Bioengineering. This text presents freshman-level students with a study of some of the best engineering designs provided by nature and exposes them to bioengineering practice from a variety of perspectives. Examining the living system from the molecular to the the human scale, this text covers such key issues as optimization, scaling, and design; and introduces these concepts in a sequential, layered manner. Analysis strategies, science, and technology are illustrated in each chapter.