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Q. Which system is responsible for breathing?

  • (A) Digestive system
  • (B) Respiratory system
  • (C) Circulatory system
  • (D) Nervous system
  • Correct Answer - Option(B)
  • Views: 21
  • Filed under category Biology
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Explanation by: Admin

The respiratory system allows gas exchange, taking in oxygen and releasing carbon dioxide.

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