Multiple choice Which of the following features will not be observed in a gross specimen of heart? Muscular projections on the wall of ventricles Three pocket shaped valves at the origin of the aorta Mitral valve, an aperture between right auricle and ventricle Three pocket shaped valves at the origin of pulmonary artery Reveal answer Fill a bubble to check yourself C Correct answer Explanation Mitral valve is present on the left side of the heart.