45cm 23 parts both sexes torso model

1.This bisexual torso model has a very high teaching value. 
2.Divided into 23 pieces, showing: trunk, female chest cover, head, eyeball, brain, a piece of spinal nerve, lung (2 pieces), heart (2 pieces), liver, kidney, stomach (2 pieces), intestine (4 pieces), Male reproductive organs (2 pieces), female reproductive organs with fetuses (3 pieces). 
3.Made of PVC 
4.Placed on a plastic seat. 
5.Size: 45cm.