The human body is a marvel of evolution, and now you can learn all about its many different and specialized organs with this Human Organs Toob! This Toob contains replicas of the small intestines, large intestines, lungs, brain, heart, kidneys, stomach and liver. History: The study of human anatomy dates all the way back to 420 B.C., around the time of Hippocrates. While knowledge then was limited and in many cases incorrect, it sparked the study and ongoing development of understanding the functions of organs and the structure of the human body Characteristics: Individually hand-painted and crafted with true to life detail, these figurines are great for educational purposes, classroom settings, or creative play. As real as they may look, make sure you don't use them in any transplants other than the imaginative kind!