FUNCTIONS OF TESTOSTERONE -

(a) It stimulates the growth and development of male secondary sex organs like the seminal vesicles, prostate and penis. It also helps to maintain their normal functions. Because these organs do not produce gametes (sperms) and only help in reproduction are, therefore, called secondary sex organs.

(b) This hormone also stimulates the development of the male secondary sexual characters like beard, moustache and low-pitch male voice in man.

(c) Testosterone also stimulates the formation of sperns in the seminiferous tubules of the testes.

(d) This hormone promotes the growth of many body tissues such as bones and muscles. It is due to this fact that male has a higher stature than the female.