THE HEART <3

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Across
  1. 3. ______ nervous system makes your SA node work slower, which decreases your heart rate
  2. 7. A common test giving a picture of your heart using ultrasound
  3. 10. A heart ______ are sounds made by turbulent blood in or near your heart.
  4. 11. Take blood away from the heart
  5. 13. Describes the amount of blood your heart pumps each minute
  6. 14. ______ cells control your heart’s contractions
  7. 15. The natural pacemaker of the heart
Down
  1. 1. ______ cells carry the electric signals
  2. 2. ______ nervous system makes your SA node work faster, which increases your heart rate
  3. 4. Conduction is how ______ impulses travel through your heart
  4. 5. The most common type of heart surgery for adults is coronary artery ______ grafting
  5. 6. Take blood to the heart
  6. 8. The irregular beating of the heart
  7. 9. A healthy heart makes a ______ sound with each beat
  8. 12. The heart _____ is between 60-80 bpm