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4 Cards in this Set

  • Front
  • Back

Define Cardiovascular Disease

Cardiovascular disease is any disease that directly affects the circulatory system.

Define Coronary Heart Disease

The disruption of blood flow to the heart muscle.


Blockage or damage of the coronary arteries supplying the heart with blood.

What is the definition of a stroke?

A stroke is when blood flow to part(s) of the brain is cut off due to a blockage or damage to an artery of the brain.

Describe the function and structure of an artery.

Arteries carry oxygenated blood (apart from the pulmonary artery which carries deoxygenated blood) away from the heart.


Structure;


Outer layer; Collagen Layer


Middle layer; thick layer made from muscle and elastin.


Inner layer; endothelium, which is 1 cell thick.


Have thick walls to withstand high pressure from the blood, lumen is relatively small in comparison to wall thickness.