Anatomically Crossed up Christmas

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Across
  1. 1. little Growth Hormone maker
  2. 4. how many times your ventricles contract in a heart beat
  3. 6. the snowman
  4. 8. causes a nervous system response
  5. 12. old guy who gets holiday spirit
  6. 15. hung from the mantle
  7. 17. most poisonous berries taste
  8. 19. number of heart chambers
  9. 20. Kris ______
  10. 23. clouds old people's vision
  11. 24. exchange this for carbon dioxide
  12. 25. the white blood cell
  13. 29. produced by emesis
  14. 30. determines whether you get a gift
  15. 32. an egg based drink
  16. 34. the night before
  17. 35. an egg making organ
  18. 36. visions of these danced in their heads
  19. 38. Santa enters here
  20. 39. hang it on the tree
  21. 41. muscular circle
  22. 43. little toy builder
Down
  1. 2. blocked Santa's vision
  2. 3. exchange these
  3. 5. traditional holiday songs
  4. 7. tiniest bones for hearing Christmas bells
  5. 9. toward the head
  6. 10. wraps a gift
  7. 11. blood enters here from left ventricle
  8. 13. kiss below this
  9. 14. hanging from hypothalamus
  10. 16. leave them for Santa
  11. 18. decorative circle
  12. 21. a reindeer
  13. 22. wraps an axon
  14. 26. coordinates muscle movements while you dance
  15. 27. number of wise men
  16. 28. green with red berries
  17. 31. the cold white stuff
  18. 33. slow heartbeat
  19. 37. hear them ringing
  20. 40. Santa's pole
  21. 42. how many times Santa checks his list