Excretory System

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Across
  1. 3. tubes that lead from each kidney to the bladder
  2. 4. cellular waste released by the urinary system
  3. 6. main Organ of the excretory system
  4. 7. tube that carries urine from the bladder to the outside of the body
  5. 9. waste released by the digestive system
Down
  1. 1. a storge sac for urine
  2. 2. waste released by the respiratory system
  3. 5. elimates waste materials to keep the body cells healthy
  4. 8. waste released by the integumentary system