Deluxe Dual Gender Torso, Opened Back, 28-PartThis model of a human torso comes complete with removable male and female genital inserts, opened neck and back section to study vertebrae, intervertebral discs, spinal cord, spinal nerves, vertebral arteries etc., a deluxe head with a 4 part brain and much more. This detailed human torso model is truly for advanced demonstrations in biology or medical settings. The following parts of the deluxe human torso are removable: 7th thoracic vertebra, female