Which of the following statements is true?a. Two umbilical veins carry oxygen-depleted blood from the fetal circulation to the placenta.b. One umbilical vein carries oxygen-rich blood from the placenta to the fetal heart.c. Two umbilical arteries carry oxygen-depleted blood to the fetal lungs.d. None of the above are true.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Which of the following statements is true?
a. Two umbilical veins carry oxygen-depleted blood from the fetal circulation to the placenta.
b. One umbilical vein carries oxygen-rich blood from the placenta to the fetal heart.
c. Two umbilical arteries carry oxygen-depleted blood to the fetal lungs.
d. None of the above are true.

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