Cardiovascular

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Across
  1. 1. the thinner innermost line of the heart chambers
  2. 4. one-way valve in the heart, located between the left atrium
  3. 6. blood vessels that carry blood away
  4. 7. a vital fluid carrying oxygen, nutrients, hormones, and waste
  5. 8. any of the fine branching blood vessels that form a network between the arterioles and venules.
  6. 9. the phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood.
  7. 11. the hearts powerful pumping chamber
  8. 12. abnormal heart rhythm where the heart beats
  9. 13. the chamber that carries deoxygenated blood
  10. 14. a heart valve located between the left ventricle and the aorta,
Down
  1. 2. system consisting of the heart,blood, and blood vessels
  2. 3. a vital protein in blood cells
  3. 5. a colorless cell that circulates in the blood
  4. 10. red blood cells