Join a tour of the respiratory system, which helps you breathe, smell, and talk. Learn how air travels through the nasal cavity, pharynx, larynx, trachea, bronchi, and into the lungs in this illustrated narrative nonfiction book for elementary-age readers. Discover the role of alveoli in gas exchange and how oxygen is delivered to the blood. Includes tips for keeping your respiratory system healthy and a glossary of important terms. Whimsical characters combined with informative diagrams will help kids understand the science of the human body.