German-crafted torsos are made of durable plastic for years of educational handling. All are mounted on a sturdy base and supplied with guidebook/key.

12-Part Torso includes 2-part removable head, 2 removable lungs, 2-part heart, removable stomach, removable liver with gall bladder, 2-part removable intestinal tract with pancreas and appendix flap and removable front half of kidney.

14-part School Torso includes 3-part removable head, 2-part removable eye with optic nerve, 2 removable lungs, 2-part heart, removable stomach, removable liver with gall bladder, 2-part removable intestinal tract with pancreas and appendix flap, removable front half of kidney and removable front half of bladder.

16-part Student Torso includes 2-part removable head with removable half brain, 2-part removable eye with optic nerve, 2 removable lungs with sternum and ribs attachment, 2-part heart, removable stomach, removable liver with gall bladder, 4-part removable intestinal tract with pancreas and appendix flap, removable front half of kidney and removable front half of bladder.

20-Part Torso includes 6-part removable head with 4-part removable brain, 6-part removable eye with optic nerve, 2 removable lungs with 2-part sternum and ribs attachment, two-part heart, 2-part removable stomach, removable liver with gall bladder, removable small intestine system, removable large intestine system with pancreas and 3-part appendix flap, removable transverse colon, removable front half of kidney and removable front half of bladder. Also features opened neck and back from cerebellum to coccyx with removable seventh thoracic vertebra.

31-Part Torso includes 6-part removable head with 4-part removable brain, removable eye with optic nerve, female breast covering with rib insertions, 2 removable lungs, 2-part removable heart, 2-part removable stomach, removable liver with gall bladder, removable small intensine, removable large intensine with pancreas and 3-part appendix flap, removable front half of kidney, interchangeable 4-part male genital insert and 3-part female insert with embryo. Also features opened neck and back from cerebellum to coccyx with removable seventh thoracic vertebra. Model also features 75% exposed musculature and removable M. gluteus and M. deltoideus.