The Heart

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Across
  1. 5. an atrium and a ventricle, connected by a valve.
  2. 7. sudden loss of one or more brain functions.
  3. 8. Membrane enveloping the heart and the origin of the large vessels.
  4. 10. excessive pressure in the blood vessels
  5. 11. One of the vessels with diverging branches which, starting from the heart's ventricles, distribute blood throughout the body.
Down
  1. 1. device implanted to maintain an adequate heart rate
  2. 2. Beating of the arteries produced by successive waves of blood projected from the heart
  3. 3. Vessel that carries blood from the organs and muscles to the heart.
  4. 4. Each of the two lower compartments of the heart, separated by a partition.
  5. 6. upper chamber of the heart, bounded by a thin wall, which receives blood from the circulatory system
  6. 9. the body's largest artery
  7. 10. Central organ of the circulatory system