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Gustav Hellmann (1886)
It will bend to open or close the circuit
1030 and meets UN3373 compliant transport unit requirements
Can be evacuated with a Hand Operated Pump
Length is 225mm
Electric Cardiac Beat and Blood Circulation Diagram Model Brushes Gustav Hellmann (1886)Included: 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
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