Specification:
This simple, yet effective apparatus consists of two sacs which
represent the lungs, a rubber membrane which serves as the diaphragm and
a clear plastic enclosure which models the chest cavity.
making the diaphragm relax and contract the students can see how the lungs are emptied and filled with air.
A firsthand view of how the lungs work.
Size: Height 30cm x Width 14.5cm
