Cardiac valves are interposed between atria and ventricle Atrioventricular valves The tricuspid valve lies between the right atrium and right ventricle and is se made up of three cusps, The mitral valve lies between the left atrium and left ventricular and has two cusps.The tricuspid valve lies between the right atrium and right ventricle and is made up of three cusps, Cardiac valves are interposed between atria and ventricle • Atrioventricular valves . The mitral valve lies between the left atrium and left ventricular and has two cusps