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For Gas Exchange to Be Efficient,the Respiratory Membrane Must Be

Question 32

Multiple Choice

For gas exchange to be efficient,the respiratory membrane must be ________.


A) between 5 and 6 micrometers thick
B) at least 3 micrometers thick
C) 0.5 to 1 micrometer thick
D) The thickness of the respiratory membrane is not important in the efficiency of gas exchange.

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