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.
NBA Regular Season: Best 50 Teams in NBA History. This is the list with the top 50 NBA teams by winning percentage in the regular season. Twenty three of the top 51 teams in the regular sesaons turned out to be the NBA champions, among them 7 Celtics squads, 7 Lakers and 4 Bulls.