Pets!

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Across
  1. 2. A sudden strong rush of something
  2. 3. To move around and back to the starting point
  3. 7. When you don't know about what is happening
  4. 10. To travel and discover
  5. 12. To make a low, vibrating sound (cats do this)
  6. 13. Something you do to avoid harm
Down
  1. 1. Put something out to be noticeable
  2. 4. Be in a ball position
  3. 5. Someone who knows a lot about something
  4. 6. Exchange information
  5. 8. Become healthy again
  6. 9. Used to defend or protect from harm
  7. 11. Unusual, something that doesn't normally happen