Unit 5: Lab

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Across
  1. 6. Vessels that return blood to the heart
  2. 7. The outer layer of the heart
  3. 10. Vessels that deliver blood to tissues
  4. 11. Removal
  5. 13. veins
  6. 14. Slow
Down
  1. 1. Networks of small vessels that perfuse tissues
  2. 2. Heart
  3. 3. When the heart muscle is cut off from the oxygen it needs to operate
  4. 4. Pumps blood through the system
  5. 5. Two
  6. 8. Arteries
  7. 9. abnormal rhythm of the heart
  8. 12. Blood