Seating. â 1 The front bucket seats are comfortable and nicely bolstered, supportive in a straight line and when you explore the Fit's handling, and the blue-lit instruments are easy to read. -- Kelley Blue Book.  2 Another important aspect of the Fit's interior is its impressive versatility.
Most babiesâ umbilical cords have three blood vessels: one vein, which brings nutrients from the placenta to baby, and two arteries that bring waste back to the placenta.But a two-vessel cord has just one vein and one artery â that's why the condition is also referred to as having a single umbilical artery.ost babiesâ umbilical cords have three blood vessels: one vein, which brings nutrients from the placenta to baby, and two arteries that bring waste back to the placenta.
The ductus arteriosus (DA) is also visible, between the pulmonary trunk (lower purple vessel with an arrow) and the aortic arch (upper purple vessel). Fetal liver circulation. The umbilical vein (UV) carries oxygenated blood from the placenta to the liver.Some of the blood mixes with blood in the hepatic portal vein (HPV) and enters the liver, but a significant minority passes through the ductus venosus (DV) which empties into the inferior vena cava (IVC) and carrys blood to the heart.etal circulation model. Look for: umbilical arteries and vein, ductus venosus, ductus arteriosus, foramen ovale. This model is best studied in lab, using the step by step circulation in the textbook or lab manual as a guide.