61. In which animal does blood flow from the pulmocutaneous circulation to the heart before circulating through the rest of the body?
(A) annelid
(B) mollusc
(C) fish
(D) frog

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統計: A(0), B(0), C(1), D(0), E(0) #3389886

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題目解析 這道題目詢問的是哪種動物的血...
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