Circulatory System

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Across
  1. 2. Fibroserous sac that contains the heart
  2. 6. My Name
  3. 7. Red Blood Cell
  4. 9. Receives deoxygenated blood from the body through veins, namely superior and inferior venae cavae.
  5. 10. White Blood Cell
  6. 11. Regulates and supports the one-way flow of blood out of the left ventricle and into the aorta
  7. 13. Largest artery in the body
  8. 15. Starts with the closure of the semilunar valves and ends with the closure of the AV valves.
  9. 16. Controls blood flow from the right atrium into the right ventricle
  10. 17. Innermost layer of heart wall
  11. 19. Supports pulmonary circulation by carrying deoxygenated blood from the right ventricle of the heart into the lungs for gas exchange
  12. 20. Controls blood flow from the right ventricle into the pulmonary trunk
Down
  1. 1. Pumps oxygenated blood into the aorta to be distributed to smaller arteries
  2. 3. Run along surface of the heart to carry oxygenated blood to the heart muscle
  3. 4. Controls blood flow from the left atrium into the left ventricle
  4. 5. Middle layer of heart wall
  5. 8. Outermost layer of heart wall
  6. 10. Receives oxygenated blood from the lungs via the pulmonary veins
  7. 12. Pumps deoxygenated blood into the pulmonary artery and then to the lungs to pick up oxygen.
  8. 14. Ventricular contractions that force blood out of the heart through the pulmonary and aortic valves
  9. 18. Fluid in Blood