Circulatory System

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Across
  1. 3. Helps blood to clot
  2. 8. Carries blood from lungs to the left atrium
  3. 10. The artery in the neck used to detect pulse
  4. 11. The stage when the heart fills with blood
  5. 13. Carries blood from right ventricle to the lungs
  6. 14. Cell that carries oxygen throughout the body
  7. 15. Procedure which involves inflating a small balloon to open a clogged artery
  8. 17. Lower chambers of the heart
  9. 18. Upper chambers of the heart
  10. 19. Muscular organ that pumps blood throughout the body
Down
  1. 1. Cell that fights infection
  2. 2. Consists mostly of water, makes up 55% of blood content
  3. 4. Blood vessel that carries blood away from the heart
  4. 5. The circuit which delivers blood to the body
  5. 6. In veins, prevents back flow of blood
  6. 7. The stage when the heart contracts
  7. 9. Smallest of the blood vessels, where gas exchange occurs
  8. 12. Instrument that detects electrical activity of the heart
  9. 16. Largest of the arteries
  10. 17. Blood vessel that carries blood to the heart