Which of these structures is close to the AVN?ASANBLeft ventricleCAtrio-ventricular septumDAortaAnswer: C. Atrio-ventricular septum Read Explanation: The AVN or the atrio-ventricular node is located in the lower left corner of the right atrium. It is situated close to the atrio-ventricular septum which separates the atria and the ventricles. Read more in App