Santa clause puts it in you while you are asleep
The reproductive system...
The testes are responsible for producing sperm cells in the male reproductive system.
Reproductive System
The reproductive system is responsible for producing and delivering sperm in males and eggs in females for the purpose of reproduction. It includes organs such as the testes, ovaries, fallopian tubes, and uterus.
The female reproductive system is solely responsible for producing eggs (ova), nurturing a developing fetus during pregnancy, and giving birth. It also plays a role in producing hormones that regulate the menstrual cycle and support pregnancy.
Reproductive system and endocrine system. Your ovaries produce the ovum for reproductive system. The ovary produce the estrogen and progesterone hormones for the regulation of the monthly cycle and are necessary for the reception and maintenance of the pregnancy.
The primary sex organs of the female reproductive system are the ovaries. They are responsible for producing eggs (ova) and female sex hormones like estrogen and progesterone.
The reproductive system is responsible for producing new life through the creation of sex cells (sperm and eggs) and the fertilization of those cells to create a new organism.
Male reproductive system produces Testosterone. This hormone is produced by the interstitial cells of the testes.
The gonads belong to the reproductive system. They are responsible for producing gametes (sperm in males and eggs in females) and sex hormones.
The reproductive system is responsible for producing specialized cells (sperm in males and eggs in females) that are required for sexual reproduction and to create new human offspring.
The reproductive system is responsible for conception and childbearing.