the life-size Basic KnowBody™ has the following detachable parts: eyeball, brain half (one piece), left lung, right lung (showing pulmonary blood vessels and bronchioles), heart (2 halves), liver with gall bladder and segment of diaphragm, one-piece stomach, one-piece small and large intestine unit, and one-piece torso and head unit. Hand painted with vivid contrasting colors. Exceptionally detailed heart. Stands 37" high; mounted on rigid hardwood base. Includes audio cassette and instructor’s answer key. KnowBody™ torsos carry a lifetime guarantee on craftsmanship. Made in U.S.A.