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Author Question: The force of blood flowing through the __________ keeps it firm. A) amnion B) umbilical cord C) ... (Read 77 times)

yoroshambo

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The force of blood flowing through the __________ keeps it firm.
 
  A) amnion
  B) umbilical cord
  C) yolk sac
  D) embryonic disk

Question 2

The placenta __________.
 
  A) forms in the second trimester of pregnancy
  B) encloses the developing organism in amniotic fluid
  C) contains one large vein that delivers nutrients to the embryo
  D) delivers food and oxygen to the developing organism



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harveenkau8139

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Answer to Question 1

Answer: B

Answer to Question 2

Answer: D




yoroshambo

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Reply 2 on: Jun 22, 2018
Wow, this really help


aruss1303

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Reply 3 on: Yesterday
Excellent

 

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