Chapter 5

4. A general term used to describe diseases of the heart and blood vessels.
7. The type of muscle within the walls of the arterioles.
10. The vessels that carry blood from the heart to the lungs.
14. Upper chambers of the heart.
15. The type of blood carried in pulmonary veins.
18. This form of circulation transports blood from the heart to the body, and back to the heart.
19. Circulatory fluid comprising numerous cell types, which transports respiratory gases, nutrients and waste.
20. A muscular organ responsible for pumping blood around the body.
22. The type of valves that prevent the backflow of blood from the ventricles back to the atria.
23. The type of blood vessel with the largest lumen.

1. The type of valves that prevent the backflow of blood from the arteries back to the ventricles.
2. Lower chambers of the heart.
3. The type of circulation that transports blood to and from the lungs.
5. The large vein which receives deoxygenated blood from the head and the body, and transports it to the heart.
6. The smallest blood vessel, with an endothelium that is one cell thick.
8. The type of blood vessel with the thickest walls.
9. The liquid component of blood.
11. The formation of a blood clot in a blood vessel or in the heart.
12. The specialised cardiac cells that initiate the cardiac cycle and set the basic heart rate.
13. The red substance in red blood cells that binds with oxygen so it can be transported to the lungs during respiration.
16. The term used for the pressure in the arteries during ventricular contraction.
17. The term used for when the heart is relaxing.
21. An artery which carries oxygenated blood away from the heart to the head and the body.