Science Fun At Home! The human body is a fascinating machine, and Kid Science can teach you all about it! Amazing Human Body is full of incredible facts about the cardiovascular and respiratory systems, the muscles, the skeleton, the nervous system, and the digestive tract. Explore the characteristics of skin, muscles, balance, memory and more! Learn how to find fingerprints, test your heart rate and other fun activities. Video demonstrations make experiments easy to follow. Learn about the systems that make your body work. Have fun with memory tricks and paper illusions. Discover the powers of your eyes, skin and muscles.