1.This bisexual torso model is divided into 40 pieces: torso, female chest cover, head, eyeball, brain (8 pieces), spinal nerves (4 pieces), lungs (4 pieces), heart (2 pieces), trachea, esophagus and aorta , diaphragm, liver, kidney, stomach (2 pieces), intestine (4 pieces), male reproductive organs (4 pieces) and female reproductive organs with fetus (3 pieces). 
2.Made of PVC.
3.Placed on a plastic seat. 
4.Size: 85cm.