In a fetus highest oxygen concentration is found in?
Among the following options, highest oxygen conc is found in IVC Saturation of Oxygen in fetal structures - Umbilical vein - 80% (PO2 of 30-35 mm Hg ) ( Max. in entire body of fetus ) Inferior vena cava - 70% (PO2 of 26-28 mm Hg) Left ventricle - 65% Right Ventricle - 55-60% Umbilical aery - very low SVC - (PO2 of 12-14 mm Hg)
Inferior vena cava
Superior vena cava
Left ventricle
Ascending aoa
NEET Jan 2020