They are mostly air.
The lightest organ in the human body is the lungs.
No. They are organs. Also, they're the lightest organ in the human body.
I believe that would be the appendix.
If based on the premise that the pineal gland is the smallest organ in the body, then it could be argued that yes, the pineal gland is also the lightest organ in the body. It also called the pineal body, or "third eye" and is located between the two hemispheres of the brain.
Your Dick!
lungs is respiratory organ of cow
The lungs are their own organ but they are located in the thoracic cavity
The lungs are the main organ of the respiratory system, but they are also an organ in the circulatory system.
The heart is surrounded by the lungs.
diaphragm the lungs
You need lungs to breathe.
The lungs