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