Getty. Could be the cause if: Youâve been bloated on and off for a long time and have also experienced symptoms including pain, constipation and/or Â­bouts of diarrhoea.
Functions. 1  The major function of the reproductive system is to make sure that the human species survives. It is not necessary for every human being to produce children, but in order to continue our human species, at least some people have to have children.
The female reproductive system has two functions: The first is to produce egg cells, and the second is to protect and nourish the offspring until birth. The male reproductive system has one function, and it is to produce and deposit sperm.Humans have a high level of sexual differentiation.he human reproductive system usually involves internal fertilization by sexual intercourse. During this process, the male inserts his erect penis into the female's vagina and ejaculates semen, which contains sperm.