Chapter 4

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Across
  1. 2. Hormone of Concentrated Urine
  2. 4. responsible for amber color
  3. 8. Functional units of Kidneys
  4. 10. Shape of Kidney
  5. 11. Most poisonous of all waste products
Down
  1. 1. anticoagulant
  2. 3. excretory organs for annelids
  3. 5. example for latex
  4. 6. Source of Bio_diesel
  5. 7. the body is filled with waste products
  6. 9. antiseptic (Neam)