The __________ houses blood vessels that join the embryo to the placenta.

Question

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The umbilical cord connects the embryo to the placenta and contains blood vessels that transport nutrients, oxygen, and waste between the embryo and the mother. The amnion is a fluid-filled sac that surrounds the developing embryo and helps to protect and cushion it. Amniotic fluid is the liquid within the amniotic sac that surrounds the embryo. Endoderm is one of the three germ layers that form during early embryonic development, and gives rise to the lining of the respiratory and digestive tracts.

The __________ Houses Blood Vessels That Join the Embryo to the Placenta