Heart

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Across
  1. 4. Valve found between the right atrium and right ventricle
  2. 5. Upper chamber of the heart
  3. 8. Blowing or whooshing sound heard in a heartbeat
  4. 9. The largest main artery that carries blood away from the heart
  5. 11. Small vein that collects from capillaries
  6. 12. Membrane that encloses the heart
  7. 13. Cardiac tissue wall that separates left and right ventricles
  8. 14. Phase of the heartbeat where the heart muscle contracts and pumps blood
  9. 15. Phase of heartbeat where the muscle relaxes
Down
  1. 1. Oxygen-poor blood enters the heart via two large veins called
  2. 2. Major blood vessels located on each side of the neck
  3. 3. Instrument used to measure blood pressure
  4. 6. Characteristic rhythm of a healthy heart
  5. 7. Controls the heart's electrical transmission from the atria to the ventricles
  6. 9. Conical shaped location at the tip of the heart
  7. 10. Wall of tissue separating a cavity of the heart