What makes your feet smell bad? How many tiny mites are living on your eyelashes?Discover the answers to these questions and more in this astounding book, which is overflowing with fascinating - not to mention disgusting - facts about the human body. Perfect for readers aged 7+.ABOUT THE SERIES: Big Ideas! is a dynamic, high-energy "e;fun fact"e; series for children aged seven and up, illustrated throughout with humorous cartoons. Packed with surprising facts, stats, and records that kids will just love to share, it revels in all things weird, unexpected, mind-blowing, funny, and gross! This series really has the "e;wow"e; factor. It's like a roller-coaster ride for your brain!