Year in Review Part 2

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Across
  1. 2. Speeds up the rate of a chemical reaction
  2. 5. Disease of the lungs where the bronchial tubes are irritated
  3. 6. Muscle beneath lungs that expands/contracts
  4. 11. Heart disease where fatty deposits build up on artery walls
  5. 14. Universal Donor
  6. 16. When the atria contracts blood is forced into the ________
  7. 17. Blood is always this color no matter what!
  8. 18. Carry blood towards the heart
  9. 19. Carry blood away from the heart
  10. 20. We exhale _________
  11. 23. Disease of the lungs where bronchial tubes contract quickly
  12. 24. Part of blood that helps with clotting
Down
  1. 1. Process that breaks down food into smaller molecules so that they can be absorbed by the blood
  2. 3. Pulls on bones causing movement
  3. 4. First step of heart filling with blood, the ______ relaxes letting blood into it
  4. 7. Part of blood that fights infection
  5. 8. Another name for high blood pressure
  6. 9. Carries air into each lung
  7. 10. Type of digestion caused by chewing
  8. 12. Type of digestion caused by chemicals
  9. 13. Protects all organs and other systems as well as give support to the body
  10. 15. Part of blood that carries Oxygen to cells and removes CO2
  11. 21. We inhale _____
  12. 22. Universal Reciepient
  13. 25. Main organ of the respiratory system