Text and photographs describe how the respiratory system works and discuss such related topics as smoking, air pollution, asthma, cystic fibrosis, and artificial ventilation.
Text and photographs describe the interactions of nerves, muscles, bones, tendons, and ligaments in various kinds of movements and discuss such related topics as avoiding injury, body language, and aging.
Text and photographs describe how the digestive system processes the foods we eat and discuss such related topics as appetite, upset stomachs, and diabetes.
Provides an overview of asthma, describing what it is, what takes place during an asthma attack, factors that can trigger an attack, what it is like to live with asthma, and some of the available treatments.