The Thyroid i believe.
There is no such organ.
The primary organ of metabolism in the body is the liver. The liver is responsible for controlling cholesterol metabolism and is the largest internal organ in humans.
liver
Verb: (of a body or organ) Process (a substance) by metabolism (of a substance) Undergo metabolism.
kidneys
The pancreas
Liver
The organ that puts out a hormone regulating your metabolism is the thyroid gland.
It is not just an organ that removes cell wastes it is the action of masterbating
The Placenta
Inborn error of metabolism is a rare enzyme deficiency; children with inborn errors of metabolism do not have certain enzymes that the body requires to maintain organ functions.
Thyronin also Thyroxine