Circulatory System

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Across
  1. 1. doors in the circulatory system that keep blood moving in one direction
  2. 4. all cells in the body need this to survive
  3. 6. carry blood from the heart to the rest of the body
  4. 7. the cells responsible for carrying oxygen
  5. 11. pumps deoxygenated blood to the lungs
  6. 15. the straw colored liquid that carries blood cells
  7. 16. this condition occurs when a blood clot blocks blood from entering the heart
Down
  1. 2. pumps oxygenated blood to the body
  2. 3. the cells responsible for fighting infections and bacteria
  3. 5. the cells responsible for clotting blood
  4. 8. receives deoxygenated blood from the body
  5. 9. receives oxygenated blood from the lungs
  6. 10. carry blood from the body to the heart
  7. 12. the main artery of the heart that sends blood to the rest of the body
  8. 13. this condition occurs when a blood clot blocks blood from entering the brain
  9. 14. the organ that is responsible for pumping blood to the body