This simple model demonstrates the functioning of lungs for students
It depicts how the lungs are emptied and filled with air by the relaxation and contraction of the diaphragm muscle
Consists of: Two balloons attached to a Y‐tube simulate the lungsThe chest cavity is a bell jar with open top and stout latex rubber sheet that acts as the diaphragm
As the diaphragm is pulled downward, the atmospheric pressure is lowered inside the chamber, causing the lungs to expand and take in air
When the diaphragm is released, the lungs deflate
Dimensions: 200mm x 200mm x 360mmProduct contains Latex
Group 1
Science
Group 2
Biology, Physics
Group 3
Motions & Forces, Structure Function & Living Organisms
