Unit 11 Crossword

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Across
  1. 2. Heart chamber that pumps blood
  2. 6. Name of Mrs. Dillon's son
  3. 9. Contracts when you take in a breath
  4. 12. The science class that Mrs. Dillon teaches
  5. 14. Opposite of the Peripheral Nervous System
  6. 16. Color of Oxygen poor blood
  7. 17. Carry blood toward the heart
  8. 20. Main organ during the process of Respiration
  9. 23. Molecule that carries Oxygen in blood
  10. 24. Nerve cell specialized for carrying signals through the body
  11. 25. Allow diffusion between blood and tissue cells
  12. 26. State of relaxation in the heart
  13. 28. Clusters of air sacs in the lungs
  14. 30. System that utilizes your heart and blood vessels
  15. 31. Sets the tempo of the heart beat
  16. 32. Carry blood away from the heart
  17. 34. The Circulatory system supplies the body with
Down
  1. 1. Result of Iron deficiency
  2. 3. Area of the brain that controls balance
  3. 4. Mrs. Dillon's home state
  4. 5. Anything that causes a signal to begin
  5. 6. Controls the heart rate and breathing
  6. 7. The control center of the Nervous System
  7. 8. Act of taking in Oxygen through the mouth or nose
  8. 10. Nervous System that is involuntary
  9. 11. State where the heart is pumping blood
  10. 13. Chain of supporter cells branching off Axon
  11. 14. Another substance that binds to hemoglobin
  12. 15. Most numerous blood cells
  13. 18. Heart chamber that receives blood
  14. 19. Conducts the signal toward another Neuron
  15. 21. Mrs. Dillon always loves to crack a good...
  16. 22. Bundle of nerves in the Spinal Column
  17. 27. Disease that causes alveoli to break down
  18. 29. The voice box of a human
  19. 33. The amount of children Mrs. Dillon has