问题
单项选择题
Which of the following is NOT considered as part of the alimentary system ()
A．the pancreas
B．the spleen
C．the tongue
D．the cecum
E． the vermiform appendix
答案
参考答案：B
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Which of the following is NOT considered as part of the alimentary system ()
A．the pancreas
B．the spleen
C．the tongue
D．the cecum
E． the vermiform appendix
参考答案：B