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Author Question: During respiration, the body takes in oxygen and expels A) hydrogen. B) carbon dioxide. C) ... (Read 170 times)

lunatika

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on: Jul 12, 2018
During respiration, the body takes in oxygen and expels
 
  A) hydrogen.
  B) carbon dioxide.
  C) nitrogen.
  D) water.

Question 2

The expansion and relaxation of the body's arteries is the
 
  A) pulse.
  B) cardiac rate.
  C) blood count.
  D) respiratory rate.


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TheNamesImani

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

B

Answer to Question 2

A


lunatika

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Reply 2 on: Jul 12, 2018
Gracias!

frankwu0507

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Reply 3 on: Yesterday
Wow, this really help

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