摘要 |
The invention relates to a demonstration device (401) which is a model of a living organism enlarged at least 50 times. Demonstration devices of this type, for example a model of a person lying down, help explain and show how the biological processes which take place in the living organism are related. The inventive demonstration device (401) has an outer skin. Inside are functional elements representing the organism's organs, vascular system, joints, etc.. According to the invention, it is possible to both walk and travel in the demonstration device and its functional elements.
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