"Why do you breathe in and out? How many breaths do you take in a day? Find out in this . . . [book]. Question prompts included to assist reader comprehension"--Provided by publisher.
"The average person takes 17,000 breaths per day. This . . . book examines the mechanisms that make breathing work and the diseases that make breathing difficult . . . illustrations help readers visualize the respiratory system at work"--Provided by publisher.
"People need to breathe to stay alive. This title explores how the lungs pull in air in order to send oxygen into the circulatory system"--Provided by publisher.
"[Presents twenty] facts about respiration, the structure of the lungs, and even some of the seemingly gross processes that happen in . . . [the] body"--Provided by publisher.
A basic introduction to the respiratory system and the imporant job it does in delivering oxygen to the body and removing carbon dioxide, includes imformation about the repiratory organs and how respiration works.
Illustrations and simple text introduce young readers to the respiratory system, describing the role of oxygen and carbon dioxide, the purpose of the nose and the mouth, and how the lungs work.
