Look Outside

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Across
  1. 1. Starfish, sea urchins, and sea cucumbers
  2. 4. One who claims moral superiority but behaves in contradiction to their beliefs
  3. 7. A chamber of the heart
  4. 10. to pulverize and comminute thoroughly by rubbing or grinding
  5. 14. sudden convulsions
  6. 16. A central heater
  7. 17. A subterranean salamander
  8. 18. Someone who can see the future
  9. 19. A spice made from tree bark
  10. 20. A person who never laughs
  11. 23. To breathe out audibly
  12. 24. Core of the axial skeleton
  13. 26. A noun pertaining to the arrangement and development of teeth.
  14. 27. Extra limbs
  15. 28. A parasitic worm
Down
  1. 2. encase or confine
  2. 3. #
  3. 5. A tumor of unusual material
  4. 6. A parasitic fungus
  5. 8. A piece of land surrounded by water on three sides.
  6. 9. One that consumes electricity
  7. 11. A measure of height above sea level
  8. 12. Produces a bright light and glow
  9. 13. A mysterious and greatly perplexing mystery
  10. 15. roACheS
  11. 17. A nonparticipating observer
  12. 21. Widespread scarcity of food
  13. 22. Contains the seed of a tree
  14. 25. Where this car is taking all of you
  15. 27. Seeing faces