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Question Practice

What is the primary purpose of the respiratory system?

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MCQ_SA
CBSE
Class 11
Biology
Biology
Breathing and Exchange of Gases
Question Bank

What is the primary purpose of...

Single Answer MCQ
Q-00056334

What is the primary purpose of the respiratory system?

1

To filter harmful substances from the air

2

To facilitate gas exchange between the atmosphere and blood

3

To regulate body temperature

4

To aid in digestion

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