Earth Layer Model with Seismic Wave, shows the connection between inner layers of Earth, spreading of seismic waves in the interior of Earth & Earth's magnetic field, Diameter of the Earth: 226 mm, Scale: 1 mm approx 56.41 km, Dimensions: 387 x 350 x 240 mm3
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
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