Year in Review Part 2

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