Circulatory systems 1

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Across
  1. 3. The left atrioventricular valve is this, 2 flaps
  2. 8. Another name for red blood cells
  3. 9. Tool used to amplify heart sounds
  4. 14. Heart rate faster than normal, sinus ________
  5. 16. The big arched artery that carries blood from the left vetricle to the body
  6. 17. Producing red blood cells in the bone marrow
  7. 19. White blood cells tha fight infections.
  8. 20. When the red blood cells are too low it is called this.
Down
  1. 1. To surround, ingest, destroy
  2. 2. To clamp off a vein or artery
  3. 4. These arteries take blood to the heart.
  4. 5. The contraction phase of the heart
  5. 6. Responsible for carry oxygen in the blood to the body
  6. 7. The shape of red blood cells to increase surface area.
  7. 10. Means the value is too low
  8. 11. Aids in blood clotting
  9. 12. These carry blood away from the heart
  10. 13. These arteries are the only arteries that carry oxygen poor blood to the lungs
  11. 15. Blood flows from the vena cava into this chamber, right _______________
  12. 18. The thickest, most muscular part of the heart, it forms the point, Left _____________