The Circulatory System

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Across
  1. 2. Liquid portion of the blood which suspends the blood cells and platelets.
  2. 7. Carries blood away from the heart.
  3. 9. Plaque buildup on the inside of arteries. Could cause a heart attack or stroke
  4. 11. Occurs when the heart valves do not open enough to let blood flow through.
Down
  1. 1. Connects arteries and veins.
  2. 3. An abnormal rhythm of the heart.
  3. 4. Control the flow of blood by opening and closing. They allow the blood to flow in only one direction in the heart.
  4. 5. Smallest blood cells. Needed for clotting.
  5. 6. Carries blood towards the heart.
  6. 8. Muscular organ that pumps blood through blood vessels.
  7. 10. Occurs when the heart valves do not close properly; blood can leak through.