Emphasizes the relationships of humans to other living things. In this edition, each chapter presents the topic clearly and distinctly. Detailed, high-level scientific data and terminology are not included because the author believes that true knowledge consists of working concepts rather than technical facility.

1 A Human PerspectivePart I Human Organization2 Chemistry of Life3 Cell Structure and Function4 Organization and Regulation of Body SystemsPart II Maintenance of the Human Body5 Cardiovascular System: Heart and Blood Vessels6 Cardiovascular System: Blood7 Digestive System and Nutrition8 Respiratory System9 Urinary System and ExcretionPart III Movement and Support in Humans10 Skeletal System11 Muscular SystemPart IV Integration and Cordination in Humans12 Nervous System13 Senses14 Endocrine SystemPart V Reproduction in Humans15 Reproductive System16 Development and AgingPart VI Human Genetics17 Cell Division and the Human Life Cycle18 Patterns of Inheritance19 DNA Biology and Technology20 Genetic CounselingPart VII Human Disease21 Defenses Against Disease22 Parasites and Pathogens23 Sexually Transmitted Diseases24 CancerPart VIII Human Evolution and Ecology25 Human Evolution26 Global Ecology27 Human Population, Planetary Resources, and Conservation