Muscular torso, male and female With back open

Life size. Dissected into 28 parts. The popular school torso is supplied with the following removable parts:Body 1 part,Brain 1 part Eye 1 part Trachea 1 part Oesophagus 1 part,Lung 4 parts Chest 1part,Mammary gland 1 part Liver 1 part,Kidney 1 part Heart 2 parts,Stomach 2 parts Pancreas 1 part Intestines 1 part,Male genitalia 4 parts Female genitalia 3 parts Vertebra 1 part,Spinal cord 1 part