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teysha teysha
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6 years ago
Extraembryonic membranes arise from the
  a. embryonic disk.
  b. blastula.
  c. placenta.
  d. gastrula.
  e. morula.

Question 2

In humans, the fluid immediately surrounding the embryo functions to
  a. nourish the embryo.
  b. isulate the embyo.
  c. remove waste products.
  d. house the yolk sac.
  e. produce hCG.
Textbook 
Human Biology

Human Biology


Edition: 10th
Authors:
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hbirk8hbirk8
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6 years ago
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