Write two major functions each of testes and ovaries

Testes and ovaries are the primary sex organs in the males and females respectively. Each testes bear large number of seminiferous tubules, which are the spermatogenic tissue of the testis. Similarly, ovaries bear the Graafian follicle or the ovarian follicles, which ultimately give rise to ovum. The testes secrete testosterone and the ovaries secrete oestrogen and progesterone.