For Gas Exchange to Be Efficient, the Respiratory Membrane Must

question 54

Multiple Choice

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

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

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