500 Facts -Human Body The mysteries of the human body are many and fascinating. What is going on inside our bodies? What are the various intriguing aspects of the inner workings of the human body? How do the various organs work in sync? 500 Facts -Human Body brings to you the most intriguing facets of the human body in a quick-facts format and an attractive, attention-grabbing layout. Full of relevant pictures and diagrams to help understand the most important aspects of the human body and its function, this book is ideal for curious young readers who want to know more.