What are the functions of the reproductive system, digestive, nervous?

The reproductive system is necessary for the reproductive function of the body. In males and females, the genitals and gonads are different. Sometimes, with pathologies in one organism, there are glands at once that are characteristic of the male and female body. The digestive system is essential for energy metabolism. The nervous system regulates all other organ systems. Also, due to the presence of the brain, the body has the ability to perceive and analyze information, to remember it.