EHS Vocabulary Contract Crossword Puzzle

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Across
  1. 2. classification of blood based on the presence or absence of certain antigens
  2. 4. fights and absorbs bacteria
  3. 6. a heart rate that is too fast
  4. 8. unusual sound heard between heartbeats
  5. 9. carries blood towards the heart
  6. 10. the rhythmical throbbing of blood against arteries
  7. 11. the smallest type of blood vessel
  8. 13. a deficiency of red blood cells
  9. 14. sudden loss of oxygen to the brain
Down
  1. 1. high blood pressure
  2. 3. the outermost layer of the heart
  3. 5. an irregular heartbeat
  4. 7. a lifesaving technique used when someone's heart and breathing have stopped
  5. 10. holds all blood cell types as well as nutrients
  6. 12. a genetic marker in blood