Includes bibliographical references (p. 31) and index.
Meet the body buddies
Welcome to our world
Our envelope of air
Tree in me
Do not smoke
Amazing facts about your respiratory system.
Explains how the lungs and respiratory system function. Readers are introduced to the bronchial tree, discover how the diaphragm and intercostals muscles help the lungs fill and empty. Includes sections on the dangers of smoking, good health practices, respiratory illnesses, and amazing facts.