Circulatory System

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Across
  1. 4. oxygen rich blood from the lungs this side of the heart
  2. 5. Blood consists of blood cells and liquid called this
  3. 7. The blood, heart, and blood vessels form this system within the circulatory system
  4. 8. These vessels return oxygen poor blood from the body back to the heart
  5. 9. Another name for white blood cells
  6. 12. These have thick muscular walls and transfer oxygenated blood away from the heart
Down
  1. 1. These are necessary for the clotting of blood
  2. 2. The lymph, lymphatic nodes, and lymphatic vessels form this system with in the circulatory system
  3. 3. Removes waste products from cells
  4. 6. This is the largest organ of the lymphatic system that filters blood and destroys microorganisms
  5. 9. Composed primarily of water, electrolytes, waste and some protein
  6. 10. The body cavity the heart is located
  7. 11. These structures are found in veins