Excretory System

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Across
  1. 4. Tube that carries urine from bladder to outside of the body
  2. 6. Waste from respiratory system
  3. 7. Waste from digestive system
Down
  1. 1. Tubes from kidney to bladder
  2. 2. Waste from integumentary system
  3. 3. Storage sac for urine
  4. 4. Cellular waste
  5. 5. Main organ of excretory system