super Squidly awesome

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Across
  1. 3. the underside of the squid
  2. 6. squids do this to hide from their predators
  3. 7. this is the smallest type of squid
  4. 8. what the squid squirts
  5. 9. hundred their are this many different species
  6. 11. the mouth at the center of the arms
  7. 14. allows the squid to move forward fastly
  8. 15. what the squid breathes out of
  9. 16. what the squid see's out of, on the side of its head
  10. 17. this is the largest type of squid
  11. 18. this keeps the squid alive by pumping blood
Down
  1. 1. a hollow structure that allows the internal organs to be exposed to seawater
  2. 2. they use their ink to ________ themselves
  3. 4. they have this many arms
  4. 5. squids evolved during this time
  5. 6. this is the instrument that squidward plays
  6. 10. a tongue with razor sharp teeth on it
  7. 12. arms that they swim with
  8. 13. the fancy word for cutting open
  9. 14. an animal that eats squid