This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'Umbilical aeries arise from which fetal vessels? \nSelect and explain. \nA. Aoa, B. Caro d aeries, C. Ductus aeriosus, D. Iliac aeries', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The paired umbilical aeries arise from the iliac aeries. They supply unoxygenated fetal blood to the placenta.', 'role': 'assistant'}]