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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