terminology

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Across
  1. 2. one of the 2 upper receiving chambers of the heart
  2. 3. pressure force of blood pushing against arteries
  3. 4. cycle process circulating blood
  4. 5. electric system through body
  5. 8. passing of blood to organ to get oxygen around
  6. 10. blood vessel,carries blood away from the heart to the rest of the body
  7. 13. largest artery
  8. 14. 2 lower muscle chambers of the heart
  9. 15. thick muscular layer of heart
  10. 17. heart muscle makes and fills with blood
Down
  1. 1. pertaining to the heart and blood vessels
  2. 6. group of cells specialized in sending electric signals
  3. 7. registered heart electric signals
  4. 9. test to record electric signals in your heart
  5. 11. throbbing feeling in your arteries as your heart pushes blood
  6. 12. tiny thin blood vessel
  7. 14. blood vessel, carries blood towards heart
  8. 16. rate number of times your heart beats in a minute