Producing Urine Crossword Puzzle

QUESTIONS LIST: bladder : organ that stores urine, blood vessels : tube-shaped organs that carry blood around the body, excretory system : organ system that removes wastes from the blood and produces urine, organ system : group of organs working together, renal system : another name for the excretory system, ureter : tube-shaped organ that carries urine from a kidney to the bladder, urethra : tube-shaped organ that carries urine from the bladder to outside of the body, urinate : to release urine from the bladder, urea : main waste substance removed from the blood by the kidneys, urine : liquid containing urea and other wastes