The heart has 4 chambers 2 upper atria and 2 lower ventricles see figures 1 and 2 blood that is high in oxygen flows from the left atrium to the left ventricle and out to the body where the vital organs use the oxygen blood with less oxygen flows from the right atrium to the right ventricle and out to the lungs there it picks up more oxygen normally a wall septum is present . One in 4 people have holes in their heart learn how this happens in this video with dr oz and bret michaels read transcript collapse 80s rock icon turned reality tv star he recently had a death scare and today hes working harder than ever joshua released his latest album its called custom build and hes got a new reality show in vh1 its called life as i know it please take a listen . Holes in the heart or septal defects are congenital disordersgenerally associated with children but as wilkinsons colleagueproved they can slip through the net in childhood only to be feltin . Vsd is less common in adults because some vsds close on their own the heart is made of different components like left and right atria which are known as the chambers of the heart blood vessels comprising of capillaries veins and arteries and lastly tricuspid and mitral valves in a healthy person blood travels from heart to lungs for oxygen and in turn oxygenated blood is provided to the . Heart hole or heart defects in general are the leading cause of death in birth defect related deaths although the number is declining with the advances in health care over the past few decades increasing the chances of survival as far is hole in heart cases is considered many asds close on its own in the first year of the childs birth based on regular check ups a doctor may suggest