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相关题目
单选题
About the heart, which of the following descriptions are correct?
单选题
Which of the following blood vessels open into the atrium?
单选题
Which of the following blood vessels are connected with the cardiac base?
单选题
About the external features of the heart, which of the following descriptions are correct?
单选题
About the heart, which of the following descriptions are correct.
单选题
左冠状动脉（ ）
单选题
防止心室的血逆流回心房的结构有（）
单选题
当心室舒张时，开放的瓣膜是（ ）
单选题
左、右心室都有（ ）
单选题
右心房有（ ）
