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Author Question: When a person breathes out, which of the following normally takes place? A) O2 is exchanged for ... (Read 143 times)

Yolanda

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When a person breathes out, which of the following normally takes place?
 
  A) O2 is exchanged for CO2.
  B) The heart beats faster.
  C) CO2 is expelled.
  D) The pulse rate changes.

Question 2

An XY pair of chromosomes means that the fetus will be a:
 
  A) baby boy
  B) baby girl
  C) brown-haired child
  D) fraternal twin



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karmakat49

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Answer to Question 1

Answer: C

Answer to Question 2

Answer: A




Yolanda

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Reply 2 on: Jun 25, 2018
Wow, this really help


triiciiaa

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Reply 3 on: Yesterday
Excellent

 

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