Select the correct match of a hormone and its function.
Oxytocin stimulates the contraction of smooth muscles. In females, it stimulates a vigorous contraction of the uterus at the time of childbirth, and milk ejection from the mammary gland. Somatostatin inhibits the release of growth hormone. Melatonin regulates circadian rhythms. ADH mainly concerned with reabsorption of water in kidney.