Biology, 27.05.2020 19:57 adrian08022
A red blood cell is in the umbilical artery of a fetus. Where will it flow next, in the proper order?
A) Umbilical vein; chorion; ductus arteriosus
B) Chorion; umbilical vein; ductus arteriosus
C) Chorion; umbilical vein; ductus venosus
D) Umbilical vein; chorion; ductus venosus
Answers: 1
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A red blood cell is in the umbilical artery of a fetus. Where will it flow next, in the proper order...
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