Cardiovascular system

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Across
  1. 4. One of two pairs of vessels carrying oxygenated blood from the lungs to the left atrium of the heart.
  2. 5. circulation Flow of blood from the heart to the lungs and back to the heart.
  3. 8. Instrument to measure blood pressure.
  4. 12. Double-layered membrane surrounding the heart.
  5. 13. of the heart as felt through the walls of the arteries.
  6. 14. Gas that enters the blood through the lungs
  7. 15. artery Artery carrying oxygen-poor blood from the heart to the lungs.
  8. 16. Muscular middle layer of the heart.
Down
  1. 1. Flow of blood from body tissue to the heart and then from the heart back to body tissues
  2. 2. Valve between the left atrium and the left ventricle; bicuspid valve.
  3. 3. Valve positioned between the right ventricle and the pulmonary artery.
  4. 6. Heart rhythm originating in the sinoatrial node with a rate in patient
  5. 7. Partition or wall dividing a cavity; such as between the right and left atria (interatrial septum) and right and left ventricles (interventricular septum).
  6. 9. Specialized nervous tissue in the right atrium that begins the heartbeat.
  7. 10. Abnormal swishing sound caused by improper closure of the heart valves
  8. 11. Pacemaker of the heart.