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the human digestive tract from mouth cavity to rectum
lightweight
General Purpose Water Baths
Rescue Life series
Electronic Model of Hearing Sense Experiment Kit the human digestive tract fromSize: 490mm x 230mm x 860mm. Human Electronic Model of Hearing Sense Biological Teaching anatomy model. Simulation demonstrates the Hearing Sense. This model shows normal hearing, a few hearing impairment and conduction process. The model is made according to the anatomical principle. The model is a combination of mechanical mechanics and synchronous electronic circuit program control, which can dynamically simulate human hearing sense. Power supply:
US$ 30.00
US$ 229.00
US$ 26.00
US$ 18.99
