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.
Full Definition of SPIN. 1. b: the whirling motion imparted (as to a ball or top) by spinning. 2. a: an aerial maneuver or flight condition consisting of a combination of roll and yaw with the longitudinal axis of the airplane inclined steeply downward b: a plunging descent or downward spiral.