The human body is the most wonderful "machine" in the world. It has an amazingly precise and complicated structure. It is made up of thousands of matching parts, and it keeps working since birth. .
Many smart, curious children actually have many problems with the human body very early. Sometimes parents dont know how to answer them, or parents are not very professional about some human body knowledge and cannot answer children accurately.
This app is easy to use in a simple, easy-to-understand language.
The encyclopedic knowledge related to the human body is taught to the children, so that the parents or the elderly will not perfuse the childs curiosity any more, so that the child can truly master the scientific knowledge.