They serve the body as a natural filter of the blood, and remove wastes which are diverted to the urinary bladder. In producing urine, the kidneys excrete wastes such as urea and ammonium, and they are also responsible for the reabsorption of water, glucose, and amino acids. The kidneys also produce hormones including calcitriol, erythropoietin, and the enzyme renin.
How much does a ticket cost in CA for talking on the cell phone? The issueing officer told me it would be about $20, but when the bill came home it was   a whopping $132.
slide 2 of 4. The Cost of Cell Phones The average cost of telephone bill for cell phones can get even more expensive. Although most basic plans for one person usually start at around $40 a month, most people need, or at least desire, extra features.