Excretory System

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Across
  1. 1. stores urine
  2. 3. something that the kidneys filter cellular waste through
  3. 5. something the excretory system eliminates
  4. 7. a tube that connects kidneys to the bladder
Down
  1. 2. a machine that filters blood
  2. 4. carries urine outside the body
  3. 6. a part of the excretory and respiratory systems