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.
There are 20 teams in the Premier League of England (otherwise  known as Barclays Premiere League or English Premier League).  Because there are only 20 spots in the league, â¦ teams can be  promoted from or relegated to the lower divisions based on that  season's performance.