Abigail Johnston Unit 4

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