The valves amongst the atria and ventricles are called the atrioventricular valves. Amongst the best atrium and the proper ventricle would be the tricuspid valve. The tricuspid valve has 3 cusps,[22] which hook up with chordae tendinae and 3 papillary muscles named the anterior, posterior, and septal muscles, right after https://giordanof679uts9.national-wiki.com/user