The cerebellum in the brain.
thyroid gland .
The Anus
The Liver.
heart Internal organ maybe, but the largest organ is your skin.
There is no bodily organ that does this.
The hypothalamus in the brain regulates the pituitary gland.
The kidneys.
which organ system regulates body functions by means of electrochemical impulses
The liver is the fastest growing organ, whereas the eyeballs are one of the slowest
liver
testosterone
the scrotum.