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