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.
Normally an NBA team can have a maximum of 15 players on its roster during a season (and up to 20 during the offseason). A team normally has 12 or 13 players on its Active List, who are eligible to play in games, and can have as few as 11 for up to two weeks at a time.