試題詳解

29. 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 → ventricle → left atrium → pulmonary circuit
(D)pulmonary vein → left atrium → ventricle → pulmonary circuit