Digestion and Role of Microbes

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Across
  1. 2. Yellow sticky coating on the teeth
  2. 4. The middle layet of the tooth
  3. 5. A hole in the tooth
  4. 8. Disease causing germs
  5. 9. Produces the digestive juice bile
  6. 11. A watery fluid found in the mouth
  7. 12. This is also called the food pipe
  8. 14. Aspecial doctor for teeth
Down
  1. 1. Teeth used to tear food
  2. 2. Used to crack, crush and chew the food
  3. 3. The hardest substance in the body
  4. 6. Cutting and biting teeth
  5. 7. An instrument used to see microbes
  6. 10. Process of throwing out waste food after digestion
  7. 13. COVID-19 is caused by this microbe