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
Cytoplasm
liver
Verb: (of a body or organ) Process (a substance) by metabolism (of a substance) Undergo metabolism.
Human organ that aids in digestion
kidneys
Liver
The pancreas
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