The human skeletal system is the scaffold for the human body, holding up all the pieces into an amazing functioning unit. This helpful guide to the skeletal system explores the main bones of the human body and introduces the cells, fibers, and other elements that make up each bone. Readers will learn what happens if part of the system is damaged or missing. Through exciting photographs and diagrams, intriguing sidebars, discussion questions, and fact boxes, readers are given the tools to understand this fascinating part of the human body.