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large display with 3 1/2 digits (accuracy +1 digit)
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Premium Quality: Motor Model is made of high quality
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Electric Cardiac Beat and Blood Circulation Diagram Model Gloves large display with 3 1/2Included: Electric Cardiac Beat and Blood Circulation Model Anatomy. 77cm X 48cm X 43cm. The wall of heart is made of flexible material which can demonstrates the heart beating by the mechanical power behind it. The valves can also show the opening and closing. Blood circulation is shown by light flash which in red represent arteries, in blue represent vein. Perfect for the doctor's office, anatomy classroom, or study aid. If you need custom order
