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Author Question: The exchange of gases that allows the bodys cells to get oxygen and to release carbon dioxide is ... (Read 125 times)

serike

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The exchange of gases that allows the bodys cells to get oxygen and to release carbon dioxide is called ______________.
 
  Fill in the blank(s) with the appropriate word(s).

Question 2

The digestive system is an example of a ___________body system.
 
  Fill in the blank(s) with the appropriate word(s).



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cswans24

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Answer to Question 1

respiration

Answer to Question 2

open





 

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