15 Fetal Circulation Flow Chart. portal venous flow forms 7% and of cvo. The placenta accepts the blood without oxygen from the fetus through blood vessels that leave the fetus through the umbilical cord (umbilical arteries, there are two of them).
Ductus arteriosus � protects lungs against circulatory overload � allows the right ventricle to strengthen � hi pulmonary vascular resistance, low pulmonary blood flow � carries mostly med. Fetal circulation is significantly different from that of a newborn (fig. Pulmonary blood flow is estimated to be 75 ml/kg of fetal weight.
17 liters (85%)of if is reabsorbed into venules.
15 Fetal Circulation Flow Chart. The blood returning to heart through venacavae and then redistributed to tissues without being delivered to placenta represents effective r to l shunt. Cardiac output and its distribution human fetus. Thus in fetal hearts blood also flows in small amounts from the right atrium via the tricuspid valve into the right ventricle but, going through the truncus pulmonalis it takes a shortcut into the aorta via the ductus arteriosus. Fetal circulation circulation of baby after birth how are gases exchanged?