The Umbilical Cord

question 140

Multiple Choice

The umbilical cord:

• A) connects the embryo or fetus to the placenta.
• B) carries the mother's blood to the embryo or fetus.
• C) is formed from the layer of cells called the endoderm.
• D) protects the embryo or fetus from being knocked about as the mother moves.

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Definitions:

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