Year in Review Part 2

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