Unveil the impressive mysteries of your own body with this interactive trivia book from <I>Jeopardy! </I>champ and <I>New York Times </I>bestselling author Ken Jennings.<BR><BR>With this book about the amazing human body, you’ll become an expert and wow your friends and teachers with awesome anatomical facts: Did you know that your hair is as strong as copper wire? Or that if you could spread them out, your lungs would have the surface area of a tennis court? With great illustrations, cool trivia, and fun quizzes to test your knowledge, this guide will have you on your way to whiz-kid status in no time!