male and female cockroaches have separate reproductive systems, male has testes, female has ovaries

body organism science anatomy cockroach reproductive organs insects digestive tract system cockroaches thorax prothorax domestic abdomen antenna reproduction bug nature life male animal background brown pest insect zoology wild females graphic vector ants biological cycle biology creepy pesticide invertebrate head isolated closeup eggs female separate systems testes ovaries systems males aedeagus oviducts