The umbilical cord contains
A) two veins and one artery.
B) two arteries and one vein.
C) two veins and two arteries.
D) one vein and three arteries.
B) two arteries and one vein. The umbilical cord contains two arteries and one vein that carry materials back and forth between the mother and the developing baby.
Psychology
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a. True b. False Indicate whether the statement is true or false
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