Untangle the Mystery of Human Hair! Listen to a Heart Throb! Sniff Out Why Stinky Feet Stink!SCIENCE THAT REALLY GETS UNDER YOUR SKIN!Explore the amazing human body, from the hair on your head to your stinky feetSmell like a salmonBuild a balloon intestineMix up a batch of fake bloodCrack your genetic codeHow much air do your lungs hold? How are your bones like a roll of toilet paper? Where does all your old dead skin go? How can you figure out how tall a person is from the size of his or her feet? Youll find out the answers in "Head to Toe Science." More than 40 fun, easy-to-do activities using ordinary products found around your house let you discover the wonders of your body from top to bottom, inside and outyour brain, your bones, your digestive, circulatory, and nervous systems, and much more!