题目内容

Specialized conductive tissue at the base of the wall between the two upper heart chambers is the ____.

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The inner lining of the pericardium, adhering to the outside of the heart, is the ____.

An abnormal heart sound due to improper closure of heart valves is a ____.

The beat of the heart as felt through the walls of arteries is called the ____.

The aorta is the largest artery of the body and originates at the RV of the heart.

A. 对
B. 错