human physiology

Detailed illustrations and diagrams provide a complete resource on how the human body works and grows, with information on the circulatory and digestive systems, muscles and movement, the nervous system and the brain, and more.

Discusses the various parts of the human body and how each functions.

Answers to children's questions about the human body. Some articles originally appeared in "Highlights for Children.".

Shows how the inside of the body looks with explanations of how different systems and body parts work.

Explores the inside of the human body, depicting organs, bones, and muscles and how they function. Includes a paper flashlight that can be used to view hidden images.

Text, photographs, and illustrations discuss gross aspects of the human body, focusing on digestion, and discussing vomit, gas, feces, diarrhea, and constipation.

Text, colorful illustrations, and photographs provide a biological background to the to the body, its structures, and systems.

Explores some little understood aspects of the human body such as sleep, human endurance, dwarfs, senses, healing, and aging.