If you clench your hand ... the heart. There is a semilunar valve where the aorta leaves the left ventricle and another where the pulmonary artery leaves the right ventricle. Blood vessels leading ...

Coronary artery disease (CAD), better known as clogged arteries, is the leading cause of death in the United States, according to 2023 research from the National Institutes of Health (NIH). This type ...