The valves involving the atria and ventricles are called the atrioventricular valves. Concerning the best atrium and the best ventricle may be the tricuspid valve. The tricuspid valve has 3 cusps,[22] which connect to chordae tendinae and 3 papillary muscles named the anterior, posterior, and septal muscles, following their relative https://herodotusg678sqq8.get-blogging.com/profile