Circulatory System

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Across
  1. 6. the muscle your heart is made up of
  2. 8. Blood cells that contain haemoglobin and carry oxygen around your body
  3. 9. Blood vessels that carry blood away from your heart
  4. 13. Blood with low oxygen
  5. 15. A waxy, fat-like substance
  6. 16. A chemical found in red blood cells
Down
  1. 1. Blood with high oxygen
  2. 2. Chest pain caused by reduced blood flow to heart muscles
  3. 3. Network of thin-walled vessels that join the arteries to the veins
  4. 4. The system that carries blood to and from your heart to the rest of your body
  5. 5. Blood cells that help to fight pathogens (disease)
  6. 7. A clear yellowish liquid found in blood
  7. 10. Blood vessels that carry blood back to your heart
  8. 11. Broken up bits of cells that help our blood to clot
  9. 12. A small abnormal build-up of cholesterol, calcium and fibrin leading to the narrowing of arteries
  10. 14. A blood clot