Click to expand Tap to zoom Lung organ by GIANTmicrobes Save $-14.50 $14.50 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Your two lungs are the main organs of the respiratory system filling most of your chest. This colorful get well gift is for people post-surgery or a fun, educational learning tool.