Adult Half-Size Torso Model with Head, 16 partsHalf size 16 part Left half shows muscles Open back The model contains the following parts: Head 1 Part, Brain 1 Part, Eye 1 Part, Torso 1 Part, Lungs 2 Parts, Heart 2 Parts, Liver 1 Part, Stomach 2 Parts, Intestine 4 Parts, Kidney 1 Part, Female Genital Organ 2 Parts, Vertebral 3 Parts Half size torso model has excellent detail of many human anatomy structures. Brain and internal organs are removable for closer study, and the internal cavity is