Which of the following blood vessels open into the atrium?
A.ascending aorta
B.pulmonary trunk
C.superior vena cava
D.inferior vena cava
E.pulmonary vein
正确答案是CDE
Which of the following blood vessels open into the atrium?
A.ascending aorta
B.pulmonary trunk
C.superior vena cava
D.inferior vena cava
E.pulmonary vein
正确答案是CDE