The 2012 Election: Our Price Tag (Finally) for the Whole Ball of Wax. With the final 2012 campaign finance reports, and their amendments, all in (well, mostly), the Center for Responsive Politics calculates that the elections cost at least $6.3 billion â more than we previously estimated.
The nerves that control your bladder can be described as follows: Parasympathetic nerves from the S2, S3 and S4 levels of your spinal cord cause the upper part of your bladder to contract and your bladder neck to relax, assisting in the process of micturition (urination).
The urinary system eliminates wastes, controls blood volume, regulates blood ion concentration and pH, and regulates red blood cell production. Functions of the Urinary System The kidneys excrete waste products. The kidneys control blood volume by regulating the volume of urine produced. The kidneys help regulate the concentration of major ions in the body fluids. The kidneys help regulate pH of the body fluids. The kidneys regulate the concentration of erythrocytes in the blood. The kidneys participate, with the skin and liver, in vitamin D synthesis. Urinary System Kidneys Each kidney is behind the peritoneum and surrounded by a renal capsule and a renal fat pad.