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.
The number of players in the NBA varies each year. Each team can carry a maximum of 15 players. But, they can carry as few as 12. So, each year the number of players range anywhere from 360 to 450 since there are 30 teams in the league, so about 500 players.