This outstanding torso features an exposed spine with removable vertebra and spinal cord segments, a female breast plate and interchangeable male and female genitalia. The female organs include a fetus in the womb. Dissectible into 23 parts : torso, female breast plate ,head , eyeball, brain, vertebra spinal nerves ,lung (2 parts), heart(2 parts), liver, kidney, stomach(2 part), intestines(4 parts), ,male genitalia(2 parts), female genitalia with fetus(3 parts).