Adrenal gland symptoms are related to the production of too many or too few hormones by the adrenal glands, which are hormone-producing organs located near the tops of both kidneys. Hormones from the adrenal glands are responsible for many functions.
At that point, the division between Asia and Europe was along the Rioni River in the Caucasus Mountains of present-day Georgia. By the Hellenistic Period of Greek history (323-330 B.C.), the division had moved to follow the Don River west of the Urals in present-day Ukraine.
North America and South America are now treated as separate continents in much of Western Europe, China, and most native English-speaking countries, such as the United States, Canada, Australia, and New Zealand. Furthermore, the concept of two American continents is prevalent in much of Asia.