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Author Question: Once pregnancy has been established, a temporary organ called ______ develops on the uterine wall to ... (Read 83 times)

fahad

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on: Jun 18, 2018
Once pregnancy has been established, a temporary organ called ______ develops on the uterine wall to serve as a transfer station for nourishment and oxygen from mother to the fetus, and for waste products from the fetus to mother.
 
  a. umbilical cord
  b. blastula
  c. afterbirth
  d. placenta

Question 2

What is the correct sequence of events that follow fertilization of an egg?
 
  a. zygote, blastocyst, embryo, fetus
  b. blastocyst, embryo, zygote, fetus
  c. embryo, blastocyst, zygote, fetus
  d. zygote, embryo, fetus, blastocyst


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bob

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Reply #1 on: Jun 18, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A


fahad

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Reply 2 on: Jun 18, 2018
Great answer, keep it coming :)

xoxo123

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Reply 3 on: Yesterday
Gracias!

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