This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pericardium & Heart, Subject name: Anatomy
[{'content': 'Which of the following is situated in the upper part of Crista terminaiis - \nSelect and explain. \nA. AV node, B. Bundle of his, C. Right Bundle branch, D. SA node', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., SA node Conducting systemLocation in heartSA nodeUpper end of crista terminal is, near opening of SVCAV nodeTriangle of Koch's (near interatrial septum )Bundle of hisMembranous part of interventricular septumRBBRight surface of interventricular septumLBBLeft surface of interventricular septum", 'role': 'assistant'}]