Biology Christmas Crossword!

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Across
  1. 2. Traditional Christmas meat
  2. 5. Molecules moving from a high concentration to low
  3. 6. Used to decorate trees
  4. 8. Respiration happens here
  5. 11. Colour of Santa's outfit
  6. 12. Away in a...
  7. 16. Microorganism that causes disease
  8. 17. Variables you keep the same in an experiment
  9. 18. Songs sung at Christmas
  10. 19. Regulating body conditions
  11. 21. Goes with a bang at Christmas!
  12. 22. Used to clot blood
Down
  1. 1. Site of protein synthesis
  2. 3. Reindeer with a red nose
  3. 4. Santa's little helper
  4. 7. Type of pies you get at Christmas
  5. 9. Decorate one of these in your home at Christmas
  6. 10. These are secreted from glands
  7. 13. Made by white blood cells
  8. 14. What cell walls are made of
  9. 15. Catalyse biological reactions
  10. 20. Hang this on your door at Christmas