Identify the hormone with its correct matching of source and function :

1. A. Oxytocin - posterior pituitary, growth and maintenance of mammary glands.
2. B. Melatonin - pineal gland, regulates the normal rhythm of sleepwake cycle.
3. C. Progesterone - corpus-luteum, stimulation of growth and activities of female secondary sex organs.
4. D. Atrial natriuretic factor - ventricular wall increases the blood pressure.

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