The parathyroid glands are four tiny glands, located in the neck, that control the body's calcium levels. Each gland is about the size of a grain of rice (weighs approximately 30 milligrams and is 3-4 millimeters in diameter).
There are now 30 NBA teams. There are two conferences with 15 teams each. There are five in each of three divisions within each conference.
How long has the NBA been around? The National Basketball Association (NBA) was founded on June 6, 1946 as the Basketball Association of America. There are 30 teams in the NBA.