DIGESTION

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Across
  1. 3. Mixed Gland
  2. 4. Secreted by all parts of the alimentary canal
  3. 5. slides down the esophagus
  4. 6. Largest gland in the human body
  5. 7. Attaches tongue to floor of mouth
  6. 8. Part if alimentary canal with maximum digestion
  7. 9. enzyme of enzyme
Down
  1. 1. Hardest substance in human body
  2. 2. Highest Gross Calorific value
  3. 5. Submucosal glands
  4. 10. Vestigial organ in the gut