Excretory System Key Words

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Across
  1. 1. Tubes that lead from each kidney to the bladder
  2. 5. Is a system that gets rid of undigested food (feces)
  3. 6. Tube that carries urine from the bladder to the outside of the body
  4. 8. Is a system that gets rid of salts
Down
  1. 2. Is a system that gets rid of carbon dioxide
  2. 3. Filters blood that contains cellular wastes
  3. 4. Elastic, muscular organ that holds urine until it leaves the body, and is a storage sac for urine
  4. 7. The ________ of excretory system is to eliminate waste