<span>The urinary system comprises a series of organs, tubes, muscles and nerves that work together to produce, store and transport urine. The urinary system consists of two kidneys, two ureters, the bladder, two sphincter muscles, and the urethra</span>
Drivers ages 16-17 continue to have the highest rates of crash involvement, injuries to themselves and others and deaths of others in crashes in which they are involved. Drivers age 80 and older have the highest rates of driver deaths. Drivers ages 60-69 were the safest drivers by most measures examined.
