Circulatory System

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Across
  1. 4. thick and thin myofilaments are present and organized into myofibrils
  2. 8. small structure in the heart, located in the Koch triangle
  3. 10. pumps blood into the aorta
  4. 13. meeee
  5. 14. a fibrous sac that surrounds the heart
  6. 16. an important role in the clotting of blood during injury or surgery
  7. 18. muscular organ that pumps blood through the body
  8. 20. series of pressure changes that take place within the heart
Down
  1. 1. make up a major part of a circulatory system
  2. 2. expands the volume of the chamber
  3. 3. a simple and non-invasive test for measuring and recording electrical activity of the heart
  4. 5. blood vessels located throughout your body that collect oxygen-poor blood and return it to your heart
  5. 6. transports oxygen-depleted blood from the thorax, abdomen, and lower extremities
  6. 7. the main artery of the body, supplying oxygenated blood to the circulatory system
  7. 9. pumps it into the pulmonary artery and lungs to pick up oxygen
  8. 10. emerges onto the anterior surface of the heart
  9. 11. keeps blood flowing in one direction
  10. 12. receives oxygenated blood from the lungs
  11. 15. the liquid part of blood that is mostly water
  12. 17. make up the myocardium portion of the heart wall
  13. 19. a red liquid that circulates in the arteries and veins of humans