10.7 Crossword Puzzle Challenge Part 1

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Across
  1. 1. Partition or wall dividing a cavity; such as between the right and left atria (interatrial septum) and right and left ventricles (interventricular septum).
  2. 8. One of two upper chambers of the heart.
  3. 11. Smallest type of blood vessel.
  4. 12. Abnormal swishing sound caused by improper closure of the heart valves
  5. 13. Relaxation phase of the heartbeat.
  6. 15. Innermost lining of blood vessels.
  7. 16. Beat of the heart as felt through the walls of the arteries.
Down
  1. 2. inner lining of the heart.
  2. 3. Contraction phase of the heartbeat.
  3. 4. Double-layered membrane surrounding the heart.
  4. 5. Instrument to measure blood pressure.
  5. 6. Largest artery in the body.
  6. 7. One of two lower chambers of the heart.
  7. 9. Muscular middle layer of the heart.
  8. 10. Structure in veins or the heart temporarily closes an opening so blood flows in only one direction.
  9. 14. Gas that enters the blood through the lungs and travels to the heart to be pumped via arteries to all body cells