It is because we are hardwired to procreate as much as possible. We may have evolved enough to think rationally, but we are all still animals and that's what animals do.
Men can have a menstrual cycle - if they have female reproductive organs and don't take hormones to suppress their menstrual cycles. Men thus can experience menstrual symptoms, so only trans men can experience this and not cis men who do not have female reproductive organs.
That would be the Gonads.
No, men do not have ovaries. Ovaries are female reproductive organs that produce eggs and hormones. In the male reproductive system, the testes produce sperm and hormones like testosterone.
because men do not have the reproductive organs capable of bearing the child. beyond that, i have no idea why
Gay people have reproductive organs. Having reproductive organs has nothing to do with being gay or straight.
pollen
A roosters reproductive organs are internal.
Androecium and gynoecium are the reproductive organs in a flower.
Flowers actually are the reproductive organs of plants.
in the reproductive system
external reproductive organs can be distinguished by the 12th week of development
Most reptiles have internal reproductive organs.