Across
- 4. largest artery in the body
- 5. hollow section in the centre of a blood vessel
- 8. a hormone that increases the heart rate
- 12. word associated with the kidneys
- 16. valves found in the aorta and pulmonary artery
- 17. process by which substances move in and out of capillaries
- 18. this is lower in veins than in arteries
- 19. a word associated with the lungs
- 21. the material that restricts heart flow and increases blood pressure
- 22. largest vein in the body
- 23. valve between the right atrium and right ventricle
Down
- 1. a word associated with the heart
- 2. blood vessel that connects the lungs to the left atrium
- 3. tissue in an artery that allows it to expand
- 6. valve between the left atrium and left ventricle
- 7. blood vessel that connects right ventricle to the lungs
- 9. carried blood away from the heart
- 10. this type of fat increases the risk of heart disease
- 11. what happens when there is a lack of oxygen supplying the heart muscle
- 13. carries blood back to the heart
- 14. a word associated with the liver
- 15. structures mostly found in valves to prevent backflow
- 20. type of blood vessel that carries blood to the tissues