Producing Urine Crossword Puzzle
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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
 





