Kidneys produce hormones. Normal kidneys also make important chemical messengers called hormones. These hormones circulate in the bloodstream and regulate some body functions such as blood pressure, the making of red blood cells, and the uptake of calcium from the intestine.
A Game Called Salisbury: The Spinning of a Southern Tragedy and the Myths of Race Paperback â December 14, 2007. Find all the books, read about the author, and more.
1 The Outer Race: Rotates around the inner race, the wheel spins with this part of the bearing. 2  The Inner Race: The outer race, wheel, and ball bearings all spin around this part of the bearing. 3  The Balls: The balls' rolling action is what allows the bearing to spin.