Nutrition in Animals

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Across
  1. 4. wind pipe
  2. 5. acid which kills bacteria in stomach
  3. 7. process of removing waste from the body
  4. 10. process of absorbing food into the blood stream
  5. 11. digestive tract
  6. 13. feeding tube of butterfly
  7. 14. process of taking in food
  8. 15. process of breaking down food
Down
  1. 1. food pipe
  2. 2. a flap that stops food going into the wind pipe
  3. 3. branch of medicine focused on studying the digestive system
  4. 6. jelly like substance of Amoeba
  5. 8. process of using food for energy
  6. 9. used by Amoeba to eat food
  7. 12. chewing of cud