Application：Suitable for anyone interested in anatomy, nursing, physiology. Understand the various organs of the human body and their relative positions. Very suitable for children's education, perfect gift for children. The model shows the structure of placenta, umbilical cord, umbilical artery, umbilical vein, amnion, chorion, aponeurosis, etc. This model is designed with digital logo, which is more convenient for users to use. It is a practical application product that is rare in gynecology teaching. Excellent Education tool for Students/teachers/professional use,preferred choice of experts. It displays the structure of various human systems, facilitating systematic anatomical learning and classroom demonstrations for students and professionals, and supports repeated operation and disassembly/reassembly analysis.