The Circulatory system

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Across
  1. 2. Always carrying blood into the heart (deoxygenated blood)
  2. 3. always carrying blood away from the heart (oxygenated blood)
  3. 4. Divides the heart into a left and right side.
  4. 6. the lower left chamber of the heart
  5. 9. The only vein that carries oxygenated blood (away)
  6. 10. a large vein that collects blood from either the upper or lower half of your body12. It delivers deoxygenated blood to the right side of the heart. The top is called superior and the lower is called inferior.
  7. 11. a large, cane-shaped vessel that delivers oxygen-rich blood to your body
  8. 12. Two upper chambers of the heart
  9. 14. the upper left chamber of the heart
  10. 15. the lower right chamber of the heart
Down
  1. 1. Two lower chambers of the heart
  2. 5. The only artery that carries deoxygenated blood (into)
  3. 7. Link arteries and veins. Smallest and found between cells. Walls are one cell layer thick - diffusion
  4. 8. the upper right chamber of the heart
  5. 13. Prevents blood backflow