試題詳解

36. Which sequence of blood flow can be observed in either a reptile or a mammal?
(A) left ventricle aorta — lungs — systemic circulation.
(B) right ventricle — pulmonary vein —^ pulmocutaneous circulation.
(C) pulmonary vein — left atrium —^ ventricle pulmonary circuit.
(D) vena cava —• right atrium —^ ventricle —＞ pulmonary circuit.
(E) right atrium — pulmonary artery — left atrium — ventricle.