Biology Crossword Puzzle

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Across
  1. 3. tube at the back of the mouth that works as passageway
  2. 4. blood vessel carrying blood from the heart to body
  3. 6. tissue that joins muscles to bone
  4. 10. pale liquid portion of blood
  5. 11. cells that secrete mineral deposits
  6. 12. cell fragment that helps in blood clotting
  7. 13. blood cells that fight infection
  8. 14. fluid that is filtered out of the blood
  9. 15. outer layer of the skin
  10. 17. inorganic nutrients that the body needs
  11. 18. stable bodily environment
  12. 19. filaments between two Z lines
Down
  1. 1. smallest blood vessel
  2. 2. structure that holds the vocal cords
  3. 4. condition when fatty deposits build up
  4. 5. another term for the windpipe
  5. 7. help the body grow
  6. 8. type of connective tissue
  7. 9. blood cell containing hemoglobin
  8. 10. group of regulatory cardiac muscles
  9. 16. organic molecules that the body needs
  10. 18. iron-containing protein