A

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Q. Which part of the human respiratory system is the primary site of gas exchange?

  • (A) Trachea
  • (B) Bronchi
  • (C) Alveoli
  • (D) Larynx
  • Correct Answer - Option(C)
  • Views: 1
  • Filed under category Biology
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Explanation by: Admin

Alveoli are tiny air sacs surrounded by capillaries where oxygen and carbon dioxide are exchanged.

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