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Author Question: Which stage of the embryo's tissue development becomes the nerves, brain, and spinal cord, and is ... (Read 27 times)

Mimi

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  • Posts: 542
on: Jul 12, 2018
Which stage of the embryo's tissue development becomes the nerves, brain, and spinal cord, and is when any neural tube defects may occur?
 
  A) first
  B) second
  C) third
  D) fourth

Question 2

Which fetal support system links the mother's bloodstream to the baby's blood vessels?
 
  A) umbilical cord
  B) amniotic fluid
  C) placenta
  D) uterus


Edwyer

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  • Posts: 337
Reply #1 on: Jul 12, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A


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