There are 206 bones found in the human body, all with an important job to do. Bones give our bodies support, they protect our internal organs, and they even help us move around. Understanding the role of our bones and all the different kinds of bones in our bodies can be tough for some young scientists to understand. In this book, readers travel around this important system through full-color photographs and diagrams, learning about what keeps them standing, sitting, and playing upright!