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 a total of 32 teams in the NFL, with the league being organized into two conferences of 16 teams each - the National Football Conference and the American Football Conference. Each Conference is further organized into four geographic (more or less) Divisions of 4 teams each. The distribution of teams is as follows: AFC East.