Identify the hormone with its correct matching of source and function.
(a) Oxytocin-posterior pituitary, growth and maintenance of mammary glands
(b) Melatonin-pineal gland, regulates the normal rhythm of sleepwake cycle
(c) Progesterone-corpus luteum, stimulation of growth and activities of female secondary sex organs
(d) Atrial natriuretic factor-ventricular wall increases the blood pressure