In addition, musicians with ties to the Republican party also play at the event. This is a political rally - most everybody in attendance supports the Republican party in one way or another, and the speakers/musicians are staunch supporters of the party.
Your nephrons filter these substances out of your blood and then reabsorb some of them back into your blood. This keeps your blood composition constant. Excess water and waste products are then secreted as urine. Your kidneys vary the amount of a substance that is reabsorbed into the blood or secreted as urine.
Each kidney is connected to your bladder by a thin tube called a ureter. Return to top. Your kidneys filter waste and extra water (fluid) out of your blood to make urine (pee). Every day, your kidneys filter about 30 gallons of blood to remove about two quarts (half a gallon) of extra water and waste products.