Question 23 (2 points)
(06.05 MC)
A red blood cell is in the umbilical vein of a fetus. Where will it flow next, in the proper order? (2 points)
Od
Ductus venosus; right atrium; vena cava
Ductus venosus; vena cava; right atrium
Ductus arteriosus; right ventricle; aorta
Ductus arteriosus; aorta; right ventricle