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

Options

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

Explanation

(a) Incorrect, as ANF is secreted by the atrial wall and it leads to a decrease in blood pressure.
(b) Incorrect, as oxytocin is released by posterior pituitary but is not responsible for growth and maintenance of mammary glands
( d) Incorrect, Progesterone is not responsible for secondary sexual characters and growth of secondary sex organs, it is estrogen which causes these effects