Chapter 20

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Across
  1. 3. immune tissue in the gut
  2. 8. tooth decay disease
  3. 11. acid-producing oral bacteria
  4. 12. stomach fluid is antimicrobial due to
  5. 13. Cholera organism
  6. 14. DNA hepatitis virus
Down
  1. 1. Gram-negative pathogen from poultry
  2. 2. parasitic worms
  3. 4. enzyme found in saliva
  4. 5. antibiotic-resistant diarrhea bacteria
  5. 6. RNA hepatitis viurs
  6. 7. spiral bacteria
  7. 9. movement of GI tract muscles
  8. 10. Vitamin made by E. Coli
  9. 12. silent epidemic virus