Why do some brains enjoy fear

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Across
  1. 2. that guy is a _____
  2. 6. another word for scared
  3. 7. loch ness _______
  4. 8. what you feel when you watch a scary movie
  5. 14. the happy chemical
  6. 15. she was very ________ to here this
  7. 17. a dead body
  8. 18. she let out a horrifying ______
  9. 20. Dracula is a _______
Down
  1. 1. she walked into the _______ house
  2. 3. another word for afraid
  3. 4. a place where you bury dead people
  4. 5. another word for spirit
  5. 9. undead creatures
  6. 10. a type of movie genre
  7. 11. a eight legged creature
  8. 12. monsters of the underworld
  9. 13. the only mammal that can fly
  10. 16. another word for scary/terrifying
  11. 19. a holiday celebrated every October