22.下列何者是初級淋巴器官(primary lymphatic organ)?
(A)胸腺(thymus)
(B)脾臟(spleen)
(C)扁桃腺(tonsil)
(D)淋巴結(lymph node)
答案:登入後查看
統計: A(173), B(36), C(21), D(50), E(0) #3489330
統計: A(173), B(36), C(21), D(50), E(0) #3489330