EXCRETION

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Across
  1. 2. Vapor excreted by lungs and skin
  2. 5. Organ that excretes water, salts, and urea
  3. 6. Waste produced from chemical reactions in cells
  4. 9. Maintenance of stable internal environment
  5. 11. Toxic waste converted to urea in humans
  6. 13. Substance detoxified by liver
  7. 14. Tube carrying urine out of body
  8. 15. Substance broken down by liver
  9. 18. Structure in nephron where filtration occurs
  10. 19. Organ that filters blood and removes waste
  11. 20. Functional unit of the kidney
  12. 22. Liquid waste excreted by kidneys
  13. 23. Control of water and salt balance
  14. 26. Waste formed from breakdown of proteins
  15. 28. Process of filtering small molecules from blood
  16. 29. Organs that excrete carbon dioxide and water vapor
Down
  1. 1. Gas excreted by lungs
  2. 3. System that removes metabolic waste
  3. 4. Process of taking useful substances back into blood
  4. 5. Structure in skin that produces sweat
  5. 7. Organ that detoxifies harmful substances
  6. 8. Organ that stores urine
  7. 10. Artificial process of filtering blood
  8. 12. Process in liver removing amino group from proteins
  9. 16. Capillary network inside Bowman's capsule
  10. 17. Removal of metabolic waste from the body
  11. 21. Tube carrying urine from kidney to bladder
  12. 24. Liquid excreted by skin
  13. 25. Process of sweating to remove waste and cool body
  14. 27. Structure in nephron where reabsorption occurs