1. Radon is a radioactive noble gas that comes from the decay of radium in the soil. Radium is also a daughter or progeny nuclide of uranium (the entire decay chain).Radon is a colorless, odorless, invisible gas that can only be detected through the use of proper equipment and protocols.. Radon is a radioactive noble gas that comes from the decay of radium in the soil. Radium is also a daughter or progeny nuclide of uranium (the entire decay chain).
Function. Although female breasts are considered sexual, the mammary glands are not part of the reproductive system of a female. The function of the mammary glands is to produce the motherâs milk in order to nourish the baby.
Description. These mammary glands are actually a type of sweat or secretion gland where the female produces the milk. They are located inside a femaleâs breast, with ten to fifteen ducts extending from the milk-producing ducts to the nipple.