The Excretory System Crossword

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Across
  1. 3. Removal of waste from your blood which occurs in the kidneys
  2. 4. The chemical produced when the body breaks down proteins
  3. 6. A liquid waste product that the body expels in order to cool the body and remove excess salts
  4. 9. The intake gas for respiration
  5. 11. The organ that stores urine
  6. 13. Organ responsible for filtering blood and producing urine
  7. 15. The microscopic functional element of your kidneys
  8. 16. The process of intaking and outputting vital gases from your body
Down
  1. 1. The hollow tube that allows urine to leave the body
  2. 2. The set of chemical reactions that convert food into energy
  3. 5. Gas produced during respiration
  4. 7. The waste product that leaves your body as a liquid
  5. 8. The process of removing waste from the body
  6. 10. The liquid that travels through your body carrying oxygen and nutrients to cells
  7. 12. The largest organ in the body
  8. 14. A waste product that the body removes via urination