Blood and cardio brainteaser

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Across
  1. 3. Substance the body recognizes as foreign
  2. 5. The ability of wbc to slip in and out of blood vessels
  3. 7. Largest of the agranulocytes
  4. 9. Valve with two flaps
  5. 11. Constituent of plasma
  6. 12. Pointed anatomical part of the heart
  7. 13. Record of tracing the flow of current through heart (abbrev)
  8. 16. Clot of blood
  9. 17. Receiving chambers of the heart
  10. 18. Clot that breaks and floats freely in the bloodstream
  11. 19. Formed element responsible for blood clotting
Down
  1. 1. Abnormally low wbc count
  2. 2. This organ is vital to detoxify blood by removing toxins
  3. 3. Blood group known as universal recipient
  4. 4. Tunica ______ lines the lumen of a blood vessel
  5. 6. The _____ pericardium, also called the epicardium
  6. 8. Product of heart rate and stroke volume equals cardiac ____
  7. 10. Heart contraction during blood pressure
  8. 14. Substance transported by blood
  9. 15. Largest artery in the human body