

The left side of the heart pumps blood into the other main artery (the aorta), which takes From the right side of the heart one of these arteries (the pulmonary artery) carries blood to the lungs for re-oxygenation. With each heart beat, into the main arteries.

From the atriums, blood flows into the lower two chambers (called ventricles) which pump blood, The two upper chambers (called atriums or atria) are reservoirs which collect blood as it flows back to the heart. The normal heart is composed of four chambers.

Why does "Congenital Heart Disease" occur?.How common is "Congenital Heart Disease"?.What is meant by the term "Congenital Heart Disease"?.Are there any 'holes' in the normal heart when a baby is born?.
