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.
water balance. 1  The kidneys match renal excretion to intake of water and electrolytes to regulate the osmolality and volume of body fluids. Deficits of water or electrolytes can be compensated for by increases in intake and retention, whereas excesses are compensated for by increases in urinary excretion.