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.
Each team may have 15 players on their roster, 12 of which may dress for each game. Since there are 30 teams in the league, at any one time there is a maximum of 450 players on NBA rosters.