Anatomy Circulatory System

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Across
  1. 3. fluid left after plasma has clotted
  2. 5. where capillary bed drains into another capillary bed through the veins
  3. 6. valve composed of three cusps/flaps
  4. 7. component in RBCs that carry oxygen
  5. 8. largest blood vessel in the body
  6. 9. contraction stage where chamber squeezes blood into a nearby chamber
  7. 11. strongest chamber in the heart
  8. 15. process in which formed elements are produced
  9. 17. leukocytes involved in inflammation
  10. 19. main site of blood production after birth
  11. 21. covers external surfaces of valves
Down
  1. 1. tissue that aids in regulation of blood flow in artery walls
  2. 2. where the heart is located underneath
  3. 4. relaxation stage where chamber fills with blood
  4. 10. circulating fluid in the body
  5. 12. term for the process of blood clotting
  6. 13. approximate size of a heart
  7. 14. number of layers that form the heart wall
  8. 16. when opened, blood flows through true capillaries
  9. 18. middle and thickest layer of the heart wall
  10. 20. tough protein substance made of fibrinogen