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Lung Breathing Model
Product Number: EL16636
In Stock (Ships within 1-2 business days)
Grades 5 and up. Demonstrates the function of the diaphragm and the lungs during respiration and breathing.
- Shows how the lungs are emptied and filled with air by the relaxation and contraction of the diaphragm muscle
- 8-1/2 in. H x 5 in. dia.
Has no instructions!!! Have no idea how to use???:
Doesn't work very well and comes with NO instructions. :