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Which of these structures is close to the AVN?(a) SAN(b) Left ventricle(c) Atrio-ventricular septum(d) AortaThe question was posed to me in an interview for internship.My doubt stems from Human Circulatory System topic in chapter Body Fluids and Circulation of Biology – Class 11

Answer»

Correct OPTION is (c) Atrio-ventricular septum

Best 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.



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