Normal and abnormal dog behaviour

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Across
  1. 4. When a dog injures itself
  2. 5. When a dog sucks its flanks
  3. 7. The ingestion of food
  4. 8. Dogs do this to bury food
  5. 10. A series of low, feeble sounds expressive of fear, pain, or unhappiness
  6. 12. The abrupt, harsh, explosive cry of a dog
Down
  1. 1. When a dog spins on the spot
  2. 2. A high pitched complaining cry or sound
  3. 3. Dogs often do this before they lay down to rest
  4. 5. When a dog snaps at imaginary flies
  5. 6. When a dog eats its own faeces
  6. 9. Dogs do this to lose heat
  7. 11. When a dog brings his front legs out in front of him and his chest low to the ground as if he’s about to lie down, but his rear end remains up