Which of the following statements are true about normal fetal circulation that are not true of adult circulation (mark all that apply): in fetal circulation, blood flows directly from the right atrium into the left atrium in fetal circulation, blood flows directly from the right ventricle into the left ventricle in fetal circulation, blood flows directly from the pulmonary trunk into the aorta in fetal circulation, blood flows directly from the aorta into the pulmonary veins in fetal circulation, blood flows directly from the superior vena cava into the inferior vena cava
