The brain.
i htink its the heart
The skin is the largest organ in the body.
It is well established that the brain uses more energy than any other human organ, accounting for up to 20 percent of the body's energy.
brain
Brain
Brain
the brain
The heart was considered more important to facing the afterlife than the brain or any other internal organ. Therefore, only the heart was mummified.
Brain
I believe the two most important are the brain and the heart although you can stop heart desieses and brain desieses you can not stop so that's why I think the brain is a bit more important than the heart.and besides the heat only controls like half of your body or 1 4th of it and brains control the whole thing.
The liver is the largest and heaviest internal organ in the body; it weighs roughly 1.5 kg. The brain weighs-in in second place at about 1.3 kg, while the heart weighs less than a third of this - no more than 450 grams.
An organ is formed by two or more tissues grouped together and performing specialized functions. Examples include the heart, liver, and brain. Organs work together to carry out specific tasks in the body.