Abigail Johnston Unit 4

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Across
  1. 2. The initial flow of charge
  2. 5. When the charges return to the resting state
  3. 9. Taken by placing fingers on the carotid artery
  4. 11. Delivery of oxygen rich blood to the body and deoxygenated blood returning to the heart
  5. 14. The longest phase when blood is filling the atria
  6. 15. Uses x-ray and dyes to look at the blood flow through certain blood vessels
  7. 18. The movement of blood between the lungs and heart
  8. 19. Narrows the lumen of blood vessels and causes pressure to rise
Down
  1. 1. The natural pacemaker of the heart
  2. 3. The middle layer of blood vessels mostly made of smooth muscle
  3. 4. Shows ventricular activation when the ventricles contract
  4. 6. A procedure that uses a "balloon" to open partially blocked blood vessels
  5. 7. Expands the lumen of blood vessels and causes pressure to lower
  6. 8. The outermost layer of blood vessels mostly made of connective tissue
  7. 10. Delays spreading the electrical impulses for 0.1 seconds
  8. 12. Represents the start of diastole
  9. 13. Shows the relaxation of the ventricles
  10. 16. The innermost layer of blood vessels mostly made of epithelial cells
  11. 17. The phase when blood is sent out of the heart
  12. 20. Taken by placing fingers on the radial artery