cardiovascular system

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Across
  1. 2. Artery
  2. 3. of your blood that help with clotting.
  3. 7. the body's immune system is found in the blood and lymph tissue.
  4. 9. cavity or passage.
  5. 11. and largest artery in the human body
  6. 12. muscular tissue of the heart.
  7. 14. Vein
  8. 15. from your heart to your lungs.
Down
  1. 1. freshly oxygenated blood from the lungs to the left atria of the heart.
  2. 3. blood away from the heart
  3. 4. protection for the heart and big vessels, and a lubrication to reduce friction between the heart and the surrounding structures
  4. 5. cell that is made in the bone marrow and is in the blood
  5. 6. blood, nutrients and oxygen to cells in your organs and body systems.
  6. 8. vein carrying deoxygenated blood into the heart.
  7. 10. cava
  8. 13. part or cavity in an organ.
  9. 15. towards the heart