Definition of Coronary Heart Disease.
The heart is a vital organ. The heart is a muscular organ, the amount of approximately fistful of your hand. His job of pumping blood to the body. This is called the circulatory system.Once again, the heart muscle that pumps blood through the aorta and vein (circulation systems), the heart also pumps blood to itself through the arteries of the heart (coronary) heart and veins.