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  2. Bmcc 103 - concepts of biology
  3. Unit 2. animal structure and
  4. The respiratory system
  5. Systems of gas exchange

Systems of gas exchange  (Page 6/25)

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6 / 25  Air is warmed and humidified in the nasal passages. This helps to ________.
A  ward off infection
B  decrease sensitivity during breathing
C  prevent damage to the lungs
D  all of the above
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Practice MCQ 3 FlashCards 2 Key Terms 16

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Source:  OpenStax, Bmcc 103 - concepts of biology. OpenStax CNX. Aug 06, 2015 Download for free at https://legacy.cnx.org/content/col11855/1.2
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