Describes why we breathe and illustrates the respiratory system and the role of important organs such as the brain, nose, trachea, lungs heart and diaphragm. Shows what happens inside the lungs and the flow of air during the breathing process. Shows smoke-damaged alveoli. Includes fun facts ("You take over 20,000 breaths a day!"), how to make a model of your lungs and includes answers to questions like "Why do I yawn?" and "How do I laugh?"
Suitable for 8-12 year olds. Colorful, anatomically correct illustrations Bright colors and bold figures make learning fun. Available in 2 mounting styles. Size: 20" x 26".