Problem: On a separate sheet of paper, draw and label a diagram depicting fetal blood flow (you may draw a picture OR a flow chart). Include these terms: Umbilical Artery, Umbilical Vein, Ductus Venosus, Ductus Arteriosus, Foramen Ovale, etc. 2. Which umbilical vessel carries oxygen-rich blood to the fetus? 3. How does fetal circulation allow blood to bypass the lungs? 4. What is the function of the ductus venosus? 5. What do the following structures become after birth? A. Foramen ovale B. Ductus venosus C. Umbilical vein D. Umbilical arteries E. Ductus arteriosus 6. A. Which two structures do the ductus arteriosus connect? B. What is the term for the congenital heart defect in which the ductus arteriosus remains open? C. What type of heart murmur would be heard if this defect were large? Need Assignment Help?