A first-class quality manikin handmade from durable, unbreakable plastic. Torso and all internal organs are true-to-life in both size and shape. Organs can be removed and replaced very easily, facilitating an understanding of the anatomy of individual organs and their position relative to each other. This 27-part torso features a fixed head (skull cap, six-part brain, eyeball with removable optic nerve), larynx (two-part), two lungs, heart (two-part), diaphragm, stomach (two-part), liver with gallbladder, whole intestine system with appendix, front kidney half, half urinary bladder, four muscles, and removable gluteus maximus. Torso teaching guide included.