Human Anatomy & Physiology (9th Edition)

Published by Pearson
ISBN 10: 0321743261
ISBN 13: 978-0-32174-326-8

Chapter 28 - Pregnancy and Human Development - Review Questions - Page 1093: 9

Answer

b. The umbilical vein carries oxygen and food (nutrients) from placenta to fetus The umbilical arteries, on the other hand carry waste and dissolved carbon oxide from the fetus to the placenta.

Work Step by Step

The umbilical vein contacts the maternal circulation in the placenta. It transports nutrients and oxygen from the placenta to the fetus. Metabolic waste substances and dissolved carbon dioxide are transported from fetus to placenta by two umbilical arteries.
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