<prompt> Closure of the fetal circulatory adjustments occurs functionally in the following sequence:?Ductus venosus Foramen ovale Ductus aeriosusDuctus aeriosus Formen ovale Ductus venosusDuctus venosus Ductus aeriosus Foramen ovaleDuctus aretriosus Ductus venosus Foramen ovale  <response>: Functional closure of the fetal circulatory adjustements occurs in the following sequence: Ductus venosus Foramen ovale Ductus aeriosus. Fetal circulatory adjustment Functional closure Anatomical closure Ductus Venosus After removal of the placenta 7 days Foramen ovale At bih-after breathing is initiated Months to years Ductus aeriosus 10-15 hours 10-21 days Ref: Nelson textbook of pediatrics 21st edition Pgno: 2162 