Human circulatory system

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Across
  1. 5. fats deposited in the coronary artery which may caused coronary heart disease
  2. 6. the red blood cells transport this to the whole body
  3. 7. separates the oxygenated blood from the deoxygenated blood in the heart
  4. 8. only one cell thick where exchange of nutrients and wastes take place
  5. 10. blood vessels which pump blood to all parts of body
  6. 11. the circulatory system in which the blood is pumped 'twice' to the heart
  7. 13. produces antibodies to fight against diseases
  8. 16. ventricles more thicker and more muscular because need to pump blood to all parts of the body
  9. 17. a network of threads that forms across the wound
Down
  1. 1. prevent the backflow of blood
  2. 2. red blood cells don't have this therefore, more haemoglobin can be picked up
  3. 3. carry blood under high pressure
  4. 4. the liquid part of the blood which carries many dissolved substances
  5. 5. responsible for the process of "phagocytosis"
  6. 9. responsible for clotting of blood
  7. 12. one factor which may cause coronary heart disease
  8. 14. pumps blood to whole body
  9. 15. has valves