The Brain is the heaviest organ listed in the question. It weighs about three pounds. Lungs average just over one pound each.
The human brain weighs more then the lungs. The brain weighs 9 pounds The lungs weighs 5 pounds
The brain weighs on average about 3 pounds, the lungs weigh about 2.2 pounds combined, the heart weighs about 0.6 pounds, and both kidneys combined typically weigh about 0.5 pounds. So, the brain weighs the most out of the options provided.
Brain
brain
The Human Brain Weighs More Than The Human Lung.
Lungs
Brain
brain
Brain
the brain
Brain
brain