Model Respiratory Organ, unbreakable life-size model is distinctively colored to illustrate anatomical detail. Includes diaphragm, aorta origins of five abdominal arteries, three thoracic and lumbar vertebrae, sectioned left lung, Dimension: 16x9x71/2 in
Enlarged, sectioned so that both ventricles and atria open to expose the valves. Large blood vessels near the heart and musculature of the heart are shown. Separates into 4 parts. On base.