18. 請問下列何種血流的順序不論在爬行動物(reptile)或哺乳類(mammal)都可以觀察到?
(A) 左心室(left ventricle) →大動脈(aorta) →肺(lungs) →體循環(systemic circulation)
(B) 右心室(right ventricle) →肺靜脈(pulmonary vein) →肺皮循環(pulmocutaneous circulation)
(C) 肺靜脈(pulmonary vein) →左心房(left atrium) →心室(ventricle) →肺循環(pulmonary circuit)
(D) 下腔靜脈(vena cava) →右心房(right atrium) →心室(ventricle) →肺循環(pulmonary circuit)
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統計: A(102), B(32), C(77), D(698), E(0) #1727476
統計: A(102), B(32), C(77), D(698), E(0) #1727476