内容简介：
A Fascinating Exploration of the Eight Major Systems of the Human Body. This science and health series goes in-depth in examining how the human body operates. Each book corresponds with one of the body's eight major systems, including the muscular, circulatory, and reproductive systems. With diagrams and pictures to highlight the easy-to-read text, young readers will be transported into the inner workings of the body. A great resource for research and reports.