Containing a three-part head, the nose and mouth cavities are exposed to the pharynx, and the skull cap is exposed to show the inner structures of the skull. The removable brain half includes arteries, and the removable eyeball contains muscles, ligaments, and the optic nerve. The model’s other removable parts consist of two lungs, a two-part heart, a one-part stomach, a liver with gall bladder, a two-part intestine, a kidney half, and a half bladder.