What is the deadliest disease in the world?
The Cardiovascular system is made up of the heart and the blood vessels
that irrigate it. The blood is pumped from the heart through the blood
vessels to the whole body system.
The arteries that supply blood to the heart are called coronary arteries. When these arteries are blocked or clogged principally by cholesterol clinging to the arteries walls. There is not enough oxygenated blood reaching the heart which can leave a permanent injury on the heart.