Correct option is D
Antidiuretic Hormone (ADH) is also known as Vasopressin. It is a hormone secreted by the posterior pituitary gland and plays a crucial role in regulating the body's water balance.
Gastrin: A digestive hormone that stimulates secretion of gastric acid in the stomach.
Pancreozymin (CCK): Stimulates the pancreas to release digestive enzymes and the gallbladder to release bile.
Testosterone: A male sex hormone responsible for secondary sexual characteristics and reproductive function.