Cardiovascular System

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Across
  1. 5. is one of two upper chambers in the heart that receives blood
  2. 6. the muscular tissue of the heart
  3. 7. each of the two main chambers of the heart, left and right
  4. 10. blood vessels that carry oxygen-rich blood from your lungs to your heart
  5. 11. a colorless cell that circulates in the blood and body fluids
  6. 13. carry oxygenated blood away from the heart
  7. 14. the largest artery of the body and carries blood from the heart to the circulatory system
  8. 15. are tiny components of your blood that help with clotting
Down
  1. 1. transport deoxygenated blood from the right side of the heart to the lungs for oxygenation
  2. 2. membrane enclosing the heart
  3. 3. carries blood toward the heart
  4. 4. fine branching blood vessels that form a network
  5. 8. Red blood cells
  6. 9. cava a large vein that carries blood to the heart from other areas of the body
  7. 12. thin smooth membrane which lines the inside of the chambers of the heart