📊 Biology
Q. Which system is responsible for breathing?
  • (A) Digestive system
  • (B) Respiratory system
  • (C) Circulatory system
  • (D) Nervous system
✅ Correct Answer: (B) Respiratory system

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

Explanation by: Mr. Dubey
The respiratory system allows gas exchange, taking in oxygen and releasing carbon dioxide.

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