The complexity of the human body is amazing; ensure your students have a firm, basic understanding of the systems and organization that make their bodies work! Organized by the skeletal, muscular, circulatory, digestive, respiratory, excretory, nervous, and endocrine systems, one page explains an element of the system, while the next page asks comprehension or review questions. Multiple activities are also included for further study and hands-on reinforcement. 124 reproducible pages, softcover; answers included. Grades 5-8.