"The human respiratory system is what makes people able to breathe. Without it, people wouldn't live for very long! This . . . guide to a basic part of human biology explains what the respiratory system is, how it works, and the key organs used in the process. Fact boxes, . . . photographs and diagrams, and accessible language paint a detailed picture of the respiratory system and highlight its importance for human life. Readers are also asked to think independently about life science through discussion questions based on the . . . text"--Provided by publisher.