1 All plans, sessions, dates and times are subject to change and seating is subject to availability.  There is an eight (8) ticket limit per account, with the exception of Grandstand where there is a (4) ticket limit per account.
Removing Wastes from the Blood. Filtering the blood is the primary function of the kidney. Every day the kidneys process about 200 quarts (190 liters) of blood and filters out about 2 quarts of waste products and extra water. To effectively handle this volume of blood, the kidneys are equipped with lots of blood vessels.
Functions of the kidneys. 1  Filter and remove excess fluid, waste and toxic substances from the blood as urine. 2  Regulate the chemical composition of blood such as salt, potassium and acid. 3  Secrete three important hormones: 4  Erythropoietin: hormone which is needed to stimulate the production of red blood cells.