Across
- 4. An agent that causes disease, such as a virus
- 5. Carries and distributes oxygen rich blood to all arteries from the heart, the main artery in the body
- 7. A condition where there is a lack of red blood cells or haemoglobin in the blood
- 9. The blood pressure when the heart is contracting, the highest pressure during contraction of the left ventricle.
- 11. A process that increases blood flow to active areas during exercise by diverting blood away from inactive areas.
- 13. Takes oxygenated blood away from the heart to the working muscles.
- 15. Blood Cells Primary aim is to transport oxygen
- 16. Brings deoxygenated blood back to the heart.
- 18. The constriction of blood vessels.
- 21. The bottom chambers of the heart.
- 22. Splits the left and right hand sides of the heart.
- 23. A red protein in the blood that transports oxygen
Down
- 1. The system that circulates blood and through the body, consisting of the heart, blood vessels, blood.
- 2. made from 90% water and is a pale yellow colour
- 3. The structures and processes in your body that stop disease
- 6. seperates the right atrium and right ventricle
- 8. The blood pressure when the heart is relaxing, the lowest pressure during relaxation of the left ventricle
- 10. A Chemical that destroys a pathogen
- 12. Help in the clotting of blood and from a protective barrier at open wounds.
- 13. The top chambers of the heart.
- 14. Valves Prevent backflow of blood into the heart
- 17. The relaxation of blood vessels
- 19. Cava Large vein carrying deoxygenated blood into the heart.
- 20. Blood Cells The Bodys main defence against pathogens, fights disease and infection.