nutrition in animals

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Across
  1. 3. an organ used by butterfly and mosquito to suck nectar and blood respectivly
  2. 4. a j-shaped bag made of mucles
  3. 6. breaking down of food and its mixing with saliva
  4. 8. pointed teeth
  5. 10. animal with stomachs consisting 4 chambers
Down
  1. 1. the process of nutrition being absorbed by the body
  2. 2. another word for food pipe
  3. 5. a unicellular organism which has tiny hair like structures all over its body
  4. 7. largest gland in the body
  5. 9. hardest substance in the body