Atrial Septal Defect
Atrial septal defect, or ASD, is a heart defect that some people are born with. Most ASDs are diagnosed and treated successfully with few or no complications.
Heart and Circulatory System
The heart and circulatory system (also called the cardiovascular system) make up the network that delivers blood to the body's tissues.
Kidneys and Urinary Tract
The kidneys perform several functions that are essential to health, the most important of which are to filter blood and produce urine.
