4.6 Crossword Puzzle Activity Part 1_MarthaBansonAmarfo

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Across
  1. 5. Instrument to measure blood pressure
  2. 9. Smallest type of blood vessel
  3. 10. Thin-walled vessel that carries blood from body tissues and lungs back to the heart
  4. 11. is the One of two lower chambers of the heart
  5. 13. Relaxation phase of the heartbeat
  6. 15. Innermost lining of blood vessels
Down
  1. 1. Contraction phase of the heartbeat
  2. 2. Structure in veins or in the heart that temporarily closes an opening so that blood flows in only one direction
  3. 3. Inner lining of the heart
  4. 4. Beat of the heart as felt through the walls of the arteries
  5. 6. double-layered membrane surrounding the heart
  6. 7. Muscular middle layer of the heart
  7. 8. is the largest artery in the body
  8. 10. Small vein
  9. 12. Abnormal swishing sound caused by improper closure of the heart valves
  10. 14. Small artery