Many differences.: The fetal circulation is a wonderful demonstration of the evolutionary wisdom of mother nature. It contains three vital shunts (ductus venosus, foramen ovale, ductus arteriosus) that serve to bypass the lungs (have no contribution to gas exchange in utero) and deliver the most oxygen/nutrient-rich blood to the coronary and carotid arteries. Finally, both hypogastric arteries connect to placenta!
Answered 6/20/2019
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