The spleen!
kidney is the most sensitive organ of the body.
the most unknown organ in the human body is the spleen
no ,brain is the most important organ in the body of a human being
The liver is the most heaviest organ in the human body; It is also the largest internal organ.
Liver is the organ, which generates the most heat in the body. Liver has heavy blood supply and is the principle organ of metabolism. So it is the organ which generates the most heat in the body.
Skin
movement is caused by the contraction(shortening) of muscles.
it is your skin
Heart
The brain.
Thyroid
Skin is the largest organ of the body and also has the most nerve endings.