Heart and Blood Vessels Ch.8

123456789101112131415
Across
  1. 3. caused when blood is disturbed
  2. 5. plays an important role in the immune system
  3. 7. low blood pressure
  4. 11. is a surgery to replace a failing heart
  5. 14. prevent back flow of the blood as it moves through the heart
  6. 15. thick walled and have three layers
Down
  1. 1. controls the rate at which heart pumps
  2. 2. a stress hormone that increases heart rate
  3. 4. is rich in carbon dioxide but low in oxygen
  4. 6. is measured as the systolic over the diastolic pressure
  5. 8. responsible for returning blood to the heart
  6. 9. a muscular partition that separates the left and right side of the heart
  7. 10. damage to a part of the brain cause of interruption in blood supply
  8. 12. a defect in the arterial wall
  9. 13. pump apart of the circulatory system