Nutrition In Animals

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Across
  1. 2. white substance that covers your teeth
  2. 4. has stiff hair-like structures called cilia all over its body
  3. 5. chewing food to break it into small pieces
  4. 9. saliva is produced here
Down
  1. 1. other name for food pipe
  2. 3. false feet of ameoba
  3. 6. plant-eating animals that digest their food in two steps
  4. 7. small projections in the inner walls of the small intestine that help in absorption of digested food
  5. 8. the process of elimination of undigested solid parts of the food