erotinjärjestelmän
The erotinjärjestelmän, commonly referred to as the reproductive system, is a biological system composed of all the organs involved in sexual reproduction. It includes both internal and external organs and is responsible for the production of gametes (sex cells) and hormones that drive sexual development and reproduction.
In males, the reproductive system includes the testes, which produce sperm and testosterone. The sperm travel
In females, the reproductive system includes the ovaries, which produce eggs and estrogen. The egg travels through
The hormones produced by the reproductive system, such as testosterone, estrogen, and progesterone, are crucial for