Explains what causes infectious and noninfectious diseases; describes the functions of skin, mucus, the inflammatory response, and the lymphatic system in protecting the body from disease; talks to a doctor about white blood cells; and presents an experiment on hand washing.
Presents an introduction to the human skeletal and muscular systems, explaining how they protect the body and enable it to move, as well as providing information on the different kinds of muscle, connective tissue, and bones.
Explains how each part of the digestive system helps break down food so that it can be absorbed into the bloodstream, and what role each part of the excretory system plays in removing the body's waste; presents an experiment on digestive acids and enzymes; and includes a visit with a kidney specialist.
Explains how the circulatory and respiratory systems work together to perform a vital process called cellular respiration; discusses the functions of blood, including fighting infection and disease; presents a visit to a hospital laboratory and an interview with a doctor; and includes a hands-on activity about lung capacity.
Provides an introduction to the male and female reproductive and endocrine systems, discussing growth, puberty, sexual maturity, the production of sex cells, and the process of fertilization.
Presents an introduction to the human immune system, explaining how the skin, white blood cells and antibodies work to ward off disease, sickness and other ailments, and includes a look at how the human body reacts to various environmental situations.
Discusses the importance of good nutrition to overall health, identifies the essential nutrients, examines the concept of a balanced diet, and explains the Food Guide Pyramid. Includes an interview with a nutrition expert.
Examines the digestive system, explaining how food is broken down and absorbed into the bloodstream, and how the excretory system removes waste products and indigestible materials.
Microphotography and graphics provide viewers with a close up look at cells, investigating their various parts, and discussing cell specialization and reproduction.
