The ovary is part of the male reproductive system.
Male reproductive system . The main male sex organs are the penis and the testicles which produce semen and sperm , which , as part of sexual intercourse , fertilize an ovum in the female 's body ; the fertilized ovum ( zygote ) develops into a fetus , which is later born as an infant . The ovary ( From ovarium , literally `` egg '' or `` nut '' ) is an ovum-producing reproductive organ , found in pairs in the female as part of the vertebrate female reproductive system . In the flowering plants , an ovary is a part of the female reproductive organ of the flower or gynoecium .