Unit 12 Crossword

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Across
  1. 1. Father of evolution
  2. 4. Top portion of heart
  3. 5. Mrs. Dillon's daughter
  4. 8. Element vital to all animal life
  5. 9. Primary respiratory organ
  6. 10. Just above spinal cord
  7. 12. Back of brain
  8. 14. Organ that pumps blood
  9. 20. Speaking is _____
  10. 21. sensors indicating feelings
  11. 23. Waste of used oxygen
  12. 24. Front of brain
  13. 26. Aka windpipe
  14. 27. Makes breathing difficult
  15. 28. Thinker; "mind"
  16. 29. Act of bringing in air
  17. 30. Aka voicebox
Down
  1. 1. Relaxed phase of heart
  2. 2. Mystery of Mrs. Dillon's phone
  3. 3. Separates lungs from digestive organs
  4. 6. Low pressure vessel to heart
  5. 7. Pumping phase of heart
  6. 11. Full development of ___ sets us from apes
  7. 13. Smallest blood vessels
  8. 15. Relating to lungs
  9. 16. Heart beat is _____
  10. 17. Gateway of returning blood
  11. 18. Nervous tissue within spine
  12. 19. High pressure vessel away from heart
  13. 20. Bottom portion of heart
  14. 21. Brains unique specialized cells
  15. 22. Found on computers
  16. 25. Oldest domain of life
  17. 27. Path of all blood going to body