Next in the SmartLab Challenge series, kids get answers to 1,000 questions about their bodies. Health and fitness, nutrition, sleep and even what it takes to stay mentally alert — it's all covered in this often "eeewww!" inspiring game book. From amino acids to exercise, nutrition to zinc, kids test their knowledge by using the electronic game component to answer questions. Need help? All the answers are here! Ages 8+ Package: 8"w x 10.5"h x 1"d Batteries: Three button cell (LR44), included Book: 144 pages, full color Author: Ben Grossblatt Case Pack: 20 Item #: O6478 UPC: 9 83450 90052 9 ISBN: 1-932855-71-5 Retail: $19.99

If you stretched out all the blood vessels in your body and laid them end to end, about how far would they reach? How old is the average hair on your head? About 10% of people suffer from photic sneezing. If you are one of them, what makes you sneeze? What kind of doctor is an otolaryngologist?