The nervous, circulatory, skeletal, and muscular systems are discussed from the cellular to the organ systems level. Dr. Smith uses Sam's riddle about his eyes as a springboard for a discussion of the bones, nerves, and muscles in the the eyes and ears. Sam eats a piece of candy that the students can follow through his digestive system. Students learn about ventilation and gas exchange when Dr. Smith and Sam discuss his respiratory system. The still color drawings are accompanied by both written and verbal text.
Students can use hypertext to access other pertinent parts of the disc or access the glossary.
Students can decide the number of questions and time allowed in a quiz covering the material on the disc. They can view the results and see an explanation of to correct answer. Navigation buttons allow the students to move around within the program. A dictionary and search capabilities are included.