If the ventricle is comprehensive, the mitral valve shuts. This prevents blood from flowing backward to the atrium although the ventricle contracts. The human coronary heart and cardiovascular system explainedThe heart, Found among the lungs, powers the circulatory technique. Blood moves with the heart in a very ongoing cycle, with https://ineed100dollarstoday46789.blogrelation.com/43240570/everything-about-4200-loan