1. Humans in the World of Biology
2. Chemistry Comes to Life
2a. Special Topic: Food Safety and Defense
3. The Cell
4. Body Organization and Homeostasis
5. The Skeletal System
6. The Muscular System
7. Neurons: The Matter of the Mind
8. The Nervous System
8a. Special Topic: Drugs and the Mind
9. Sensory Systems
10. The Endocrine System
10a. Special Topic: Diabetes Mellitus
11. Blood
12. The Cardiovascular and Lymphatic System
12a. Special Topic: Cardiovascular Disease
13. Body Defense Mechanisms
13a. Special Topic: Infectious Disease
14. The Respiratory System
15. The Digestive System
15a. Special Topic: Nutrition and Weight Control
16. The Urinary System
17. Reproductive Systems
17a. Special Topic: Sexually Transmitted Diseases and AIDS
18. Development Through Life
18a. Special Topic: Autism Spectrum Disorders
19. Chromosomes and Cell Division
19a. Special Topic: Stem Cells-A Repair Kit for the Body
20. Genetics and Human Inheritance
21. DNA and Biotechnology
21a. Special Topic: Cancer
22. Evolution and Our Heritage
23. Ecology, The Environment, and Us
24. Human Populations, Limited Resources, and Pollution