Lung Demonstration Model
Specifications
Made of PVCPacking:8pcs/ctn ctn size:37*37*49cm
G.W./N.W.:8/7kgs
QH3322-1 Lung demonstration model
Students can demonstrate how the lungs work with this transparent lung model. Constructed of two rubber balloons,rubber stopper and bell jar. Pull the thin rubber diaphragm at the bottom of the jar down to see the lungs inhaling. Push it in and the balloons will colapse(exhaling). Size(cm):17x17x20
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