Circulatory System

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Across
  1. 3. Prevent the backflow of blood in the heart.
  2. 5. The only vein that carries oxygenated blood
  3. 9. Prevents blood in the heart from mixing
  4. 10. dark red pigment that combines with oxygen
  5. 11. Largest artery in the body
  6. 12. Type of muscle found in the heart.
  7. 16. Transports oxygen around the body.
  8. 17. component of blood that helps with clotting.
  9. 18. Take blood to the heart.
Down
  1. 1. Type of white blood cell with a lobed nucleus.
  2. 2. A factor that affects heart rate
  3. 4. Disease that reduces oxygen transport
  4. 6. Describes the shape of a red blood cell
  5. 7. Lower changer of the heart
  6. 8. Top chambers of the heart
  7. 13. Liquid part of the blood.
  8. 14. Blood group that is the universal recipient
  9. 15. Type of circulation in the heart.