CARDIOVASCULAR SYSTEMS TERMS

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Across
  1. 2. The two lower chambers, which are responsible for pumping blood out of the heart.
  2. 5. The phase of the heartbeat.
  3. 6. The muscular tissue of the heart.
  4. 10. Supply blood to the heart muscle.
  5. 12. A fine branch of blood vessels.
  6. 13. The two upper chambers in the heart that receive blood.
  7. 14. A structure in you heart that has a flap that opens and closes.
Down
  1. 1. controls the flow of blood from your heart's right atrium.
  2. 3. Thin, smooth membrane the lines the chambers of the heart.
  3. 4. A blowing, whooshing, or rasping sound heard during a heartbeat.
  4. 7. The number of times your heart beats per minute.
  5. 8. Main artery in our body.
  6. 9. A large blood vessel.
  7. 11. Gas that enters the body through the lungs.
  8. 13. of the heart  bottom tip of our heart.