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 redirects here. For other uses, see NBA (disambiguation). The National Basketball Association (NBA) is the major men's professional basketball league in North America, and is widely considered to be the premier men's professional basketball league in the world.