The human body is made up of many different systems and organs that all work together to make a breathing, moving, thinking person. Readers will investigate how the heart pumps blood throughout the body, how the lungs facilitate respiration, and other vital physiological processes. These accessible and eye-catching titles not only teach students about human anatomy from head to toe but also encourage them to connect and relate that knowledge. - Compare and Contrast and Think About It boxes encourage the reader to think and explore the ideas further - a key component of the Common Core state standards - Vocabulary boxes define challenging words and place them in context with the text’s subject, helping readers achieve greater grade-level reading proficiency - Complex scientific concepts are explained in accessible but accurate language - Appealing design illustrates the parts and structure of each organ