The valves amongst the atria and ventricles are known as the atrioventricular valves. In between the proper atrium and the right ventricle could be the tricuspid valve. The tricuspid valve has three cusps,[22] which connect with chordae tendinae and a few papillary muscles named the anterior, posterior, and septal muscles, https://cesarqxbgk.ttblogs.com/16631535/new-step-by-step-map-for-4200-loan