Written for the introductory human biology course, the Seventh Edition of Chiras' acclaimed text maintains the original organizational theme of homeostasis presented in previous editions to present the fundamental concepts of mammalian biology and human structure and function. Chiras discusses the scientific process in a thought-provoking way that asks students to become deeper, more critical thinkers. The focus on health and homeostasis allows students to learn key concepts while also assessing their own health needs. An updated and enhanced ancillary package includes numerous student and instructor tools to help students get the most out of their course.