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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 overview of how the various systems of the human are interconnected to form one large system, explaining how cells, tissues, and organs each perform their own specialized job.

Explains how genes determine traits such as eye color and height and how traits are passed from parents to children, discussing chromosomes, DNA, dominant and recessive traits, meiosis, and mutations, and includes an experiment on the DNA of peas.

Describes the parts of a cell, how the various organelles work together to keep a cell functioning,and discusses cell specialization and mitosis; and includes a hands-on demonstration of how a selective membrane works.

Examines the basic anatomy of the brain and nervous system, looks at their structure and function, describes the conditions that can affect them, and offers tips on how to keep the body healthy.

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.

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.