With the help of which organ system does humanity replenish its numbers?

REPRODUCTIVE, are the organs through which reproduction occurs. If there were no reproductive organs, then there would be no life on the planet.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.